Home / 83,093,783.17-124,640,507.61-78,037,265.11

Finding the Fourth Proportional to 83,093,783.17, 124,640,507.61 and 78,037,265.11

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Solution

The fourth proportional to 83,093,783.17, 124,640,507.61 and 78,037,265.11 is: 117,055,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,783.17 : 124,640,507.61 = 78,037,265.11 : x
  2. Step 2: Convert to fraction form
    83,093,783.17/124,640,507.61 = 78,037,265.11/x
  3. Step 3: Cross multiply
    83,093,783.17x = 124,640,507.61 × 78,037,265.11
  4. Step 4: Simplify right side
    83,093,783.17x = 9,726,604,335,806,542
  5. Step 5: Solve for x
    x = 9,726,604,335,806,542/83,093,783.17
  6. Step 6: Final answer
    x = 117,055,740.69

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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.