Home / 78,533,172.52-108,387,560.39-59,663,703.71

Finding the Fourth Proportional to 78,533,172.52, 108,387,560.39 and 59,663,703.71

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Solution

The fourth proportional to 78,533,172.52, 108,387,560.39 and 59,663,703.71 is: 82,344,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533,172.52 : 108,387,560.39 = 59,663,703.71 : x
  2. Step 2: Convert to fraction form
    78,533,172.52/108,387,560.39 = 59,663,703.71/x
  3. Step 3: Cross multiply
    78,533,172.52x = 108,387,560.39 × 59,663,703.71
  4. Step 4: Simplify right side
    78,533,172.52x = 6,466,803,288,931,343
  5. Step 5: Solve for x
    x = 6,466,803,288,931,343/78,533,172.52
  6. Step 6: Final answer
    x = 82,344,862.45

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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.