Home / 78,895,258.20-118,143,821.70-62,970,010.20

Finding the Fourth Proportional to 78,895,258.20, 118,143,821.70 and 62,970,010.20

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Solution

The fourth proportional to 78,895,258.20, 118,143,821.70 and 62,970,010.20 is: 94,296,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895,258.20 : 118,143,821.70 = 62,970,010.20 : x
  2. Step 2: Convert to fraction form
    78,895,258.20/118,143,821.70 = 62,970,010.20/x
  3. Step 3: Cross multiply
    78,895,258.20x = 118,143,821.70 × 62,970,010.20
  4. Step 4: Simplify right side
    78,895,258.20x = 7,439,517,657,515,982
  5. Step 5: Solve for x
    x = 7,439,517,657,515,982/78,895,258.20
  6. Step 6: Final answer
    x = 94,296,131.70

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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.