Home / 304,485,164.60-456,919,876.24-129,607,920.68

Finding the Fourth Proportional to 304,485,164.60, 456,919,876.24 and 129,607,920.68

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Solution

The fourth proportional to 304,485,164.60, 456,919,876.24 and 129,607,920.68 is: 194,493,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,164.60 : 456,919,876.24 = 129,607,920.68 : x
  2. Step 2: Convert to fraction form
    304,485,164.60/456,919,876.24 = 129,607,920.68/x
  3. Step 3: Cross multiply
    304,485,164.60x = 456,919,876.24 × 129,607,920.68
  4. Step 4: Simplify right side
    304,485,164.60x = 59,220,435,076,829,344
  5. Step 5: Solve for x
    x = 59,220,435,076,829,344/304,485,164.60
  6. Step 6: Final answer
    x = 194,493,663.28

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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.