Home / 257,096,092.74-385,658,713.64-82,234,485.87

Finding the Fourth Proportional to 257,096,092.74, 385,658,713.64 and 82,234,485.87

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Solution

The fourth proportional to 257,096,092.74, 385,658,713.64 and 82,234,485.87 is: 123,356,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,096,092.74 : 385,658,713.64 = 82,234,485.87 : x
  2. Step 2: Convert to fraction form
    257,096,092.74/385,658,713.64 = 82,234,485.87/x
  3. Step 3: Cross multiply
    257,096,092.74x = 385,658,713.64 × 82,234,485.87
  4. Step 4: Simplify right side
    257,096,092.74x = 31,714,446,035,768,160
  5. Step 5: Solve for x
    x = 31,714,446,035,768,160/257,096,092.74
  6. Step 6: Final answer
    x = 123,356,390.59

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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.