Home / 87,619,842.40-131,177,821.20-53,607,618.40

Finding the Fourth Proportional to 87,619,842.40, 131,177,821.20 and 53,607,618.40

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Solution

The fourth proportional to 87,619,842.40, 131,177,821.20 and 53,607,618.40 is: 80,257,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619,842.40 : 131,177,821.20 = 53,607,618.40 : x
  2. Step 2: Convert to fraction form
    87,619,842.40/131,177,821.20 = 53,607,618.40/x
  3. Step 3: Cross multiply
    87,619,842.40x = 131,177,821.20 × 53,607,618.40
  4. Step 4: Simplify right side
    87,619,842.40x = 7,032,130,581,433,030
  5. Step 5: Solve for x
    x = 7,032,130,581,433,030/87,619,842.40
  6. Step 6: Final answer
    x = 80,257,284.07

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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.