Home / 102,545,364.12-141,512,591.88-55,502,429.46

Finding the Fourth Proportional to 102,545,364.12, 141,512,591.88 and 55,502,429.46

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Solution

The fourth proportional to 102,545,364.12, 141,512,591.88 and 55,502,429.46 is: 76,593,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,364.12 : 141,512,591.88 = 55,502,429.46 : x
  2. Step 2: Convert to fraction form
    102,545,364.12/141,512,591.88 = 55,502,429.46/x
  3. Step 3: Cross multiply
    102,545,364.12x = 141,512,591.88 × 55,502,429.46
  4. Step 4: Simplify right side
    102,545,364.12x = 7,854,292,648,521,469
  5. Step 5: Solve for x
    x = 7,854,292,648,521,469/102,545,364.12
  6. Step 6: Final answer
    x = 76,593,346.91

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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.