Home / 102,545,395.76-141,512,635.46-55,502,460.92

Finding the Fourth Proportional to 102,545,395.76, 141,512,635.46 and 55,502,460.92

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Solution

The fourth proportional to 102,545,395.76, 141,512,635.46 and 55,502,460.92 is: 76,593,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,395.76 : 141,512,635.46 = 55,502,460.92 : x
  2. Step 2: Convert to fraction form
    102,545,395.76/141,512,635.46 = 55,502,460.92/x
  3. Step 3: Cross multiply
    102,545,395.76x = 141,512,635.46 × 55,502,460.92
  4. Step 4: Simplify right side
    102,545,395.76x = 7,854,299,519,304,857
  5. Step 5: Solve for x
    x = 7,854,299,519,304,857/102,545,395.76
  6. Step 6: Final answer
    x = 76,593,390.28

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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.