Home / 80,212,297,953.80-120,318,446,930.70-43,019,931,009.80

Finding the Fourth Proportional to 80,212,297,953.80, 120,318,446,930.70 and 43,019,931,009.80

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Solution

The fourth proportional to 80,212,297,953.80, 120,318,446,930.70 and 43,019,931,009.80 is: 64,529,896,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212,297,953.80 : 120,318,446,930.70 = 43,019,931,009.80 : x
  2. Step 2: Convert to fraction form
    80,212,297,953.80/120,318,446,930.70 = 43,019,931,009.80/x
  3. Step 3: Cross multiply
    80,212,297,953.80x = 120,318,446,930.70 × 43,019,931,009.80
  4. Step 4: Simplify right side
    80,212,297,953.80x = 5,176,091,286,164,997,144,576
  5. Step 5: Solve for x
    x = 5,176,091,286,164,997,144,576/80,212,297,953.80
  6. Step 6: Final answer
    x = 64,529,896,514.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.