Home / 102,640,901.76-141,644,617.28-56,230,139.52

Finding the Fourth Proportional to 102,640,901.76, 141,644,617.28 and 56,230,139.52

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Solution

The fourth proportional to 102,640,901.76, 141,644,617.28 and 56,230,139.52 is: 77,597,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,640,901.76 : 141,644,617.28 = 56,230,139.52 : x
  2. Step 2: Convert to fraction form
    102,640,901.76/141,644,617.28 = 56,230,139.52/x
  3. Step 3: Cross multiply
    102,640,901.76x = 141,644,617.28 × 56,230,139.52
  4. Step 4: Simplify right side
    102,640,901.76x = 7,964,696,591,911,403
  5. Step 5: Solve for x
    x = 7,964,696,591,911,403/102,640,901.76
  6. Step 6: Final answer
    x = 77,597,687.23

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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.