Home / 87,620,416.94-131,402,673.92-30,098,817.74

Finding the Fourth Proportional to 87,620,416.94, 131,402,673.92 and 30,098,817.74

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Solution

The fourth proportional to 87,620,416.94, 131,402,673.92 and 30,098,817.74 is: 45,138,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,620,416.94 : 131,402,673.92 = 30,098,817.74 : x
  2. Step 2: Convert to fraction form
    87,620,416.94/131,402,673.92 = 30,098,817.74/x
  3. Step 3: Cross multiply
    87,620,416.94x = 131,402,673.92 × 30,098,817.74
  4. Step 4: Simplify right side
    87,620,416.94x = 3,955,065,132,866,731
  5. Step 5: Solve for x
    x = 3,955,065,132,866,731/87,620,416.94
  6. Step 6: Final answer
    x = 45,138,624.89

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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.