Home / 118,834,761.60-178,535,577.60-106,363,612.80

Finding the Fourth Proportional to 118,834,761.60, 178,535,577.60 and 106,363,612.80

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Solution

The fourth proportional to 118,834,761.60, 178,535,577.60 and 106,363,612.80 is: 159,799,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,834,761.60 : 178,535,577.60 = 106,363,612.80 : x
  2. Step 2: Convert to fraction form
    118,834,761.60/178,535,577.60 = 106,363,612.80/x
  3. Step 3: Cross multiply
    118,834,761.60x = 178,535,577.60 × 106,363,612.80
  4. Step 4: Simplify right side
    118,834,761.60x = 18,989,689,046,870,752
  5. Step 5: Solve for x
    x = 18,989,689,046,870,752/118,834,761.60
  6. Step 6: Final answer
    x = 159,799,109.21

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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.