Home / 113,318,884.80-169,726,384.80-87,676,747.20

Finding the Fourth Proportional to 113,318,884.80, 169,726,384.80 and 87,676,747.20

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Solution

The fourth proportional to 113,318,884.80, 169,726,384.80 and 87,676,747.20 is: 131,320,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318,884.80 : 169,726,384.80 = 87,676,747.20 : x
  2. Step 2: Convert to fraction form
    113,318,884.80/169,726,384.80 = 87,676,747.20/x
  3. Step 3: Cross multiply
    113,318,884.80x = 169,726,384.80 × 87,676,747.20
  4. Step 4: Simplify right side
    113,318,884.80x = 14,881,057,333,279,524
  5. Step 5: Solve for x
    x = 14,881,057,333,279,524/113,318,884.80
  6. Step 6: Final answer
    x = 131,320,188.68

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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.