Home / 68,688,003.70-103,032,005.55-48,532,611.70

Finding the Fourth Proportional to 68,688,003.70, 103,032,005.55 and 48,532,611.70

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Solution

The fourth proportional to 68,688,003.70, 103,032,005.55 and 48,532,611.70 is: 72,798,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688,003.70 : 103,032,005.55 = 48,532,611.70 : x
  2. Step 2: Convert to fraction form
    68,688,003.70/103,032,005.55 = 48,532,611.70/x
  3. Step 3: Cross multiply
    68,688,003.70x = 103,032,005.55 × 48,532,611.70
  4. Step 4: Simplify right side
    68,688,003.70x = 5,000,412,318,030,395
  5. Step 5: Solve for x
    x = 5,000,412,318,030,395/68,688,003.70
  6. Step 6: Final answer
    x = 72,798,917.55

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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.