Home / 134,755,841.25-185,963,621.23-72,876,179.81

Finding the Fourth Proportional to 134,755,841.25, 185,963,621.23 and 72,876,179.81

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Solution

The fourth proportional to 134,755,841.25, 185,963,621.23 and 72,876,179.81 is: 100,569,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,841.25 : 185,963,621.23 = 72,876,179.81 : x
  2. Step 2: Convert to fraction form
    134,755,841.25/185,963,621.23 = 72,876,179.81/x
  3. Step 3: Cross multiply
    134,755,841.25x = 185,963,621.23 × 72,876,179.81
  4. Step 4: Simplify right side
    134,755,841.25x = 13,552,318,298,761,188
  5. Step 5: Solve for x
    x = 13,552,318,298,761,188/134,755,841.25
  6. Step 6: Final answer
    x = 100,569,431.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.