Home / 87,276,618-130,915,583.10-38,741,423.67

Finding the Fourth Proportional to 87,276,618, 130,915,583.10 and 38,741,423.67

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Solution

The fourth proportional to 87,276,618, 130,915,583.10 and 38,741,423.67 is: 58,112,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276,618 : 130,915,583.10 = 38,741,423.67 : x
  2. Step 2: Convert to fraction form
    87,276,618/130,915,583.10 = 38,741,423.67/x
  3. Step 3: Cross multiply
    87,276,618x = 130,915,583.10 × 38,741,423.67
  4. Step 4: Simplify right side
    87,276,618x = 5,071,856,069,882,192
  5. Step 5: Solve for x
    x = 5,071,856,069,882,192/87,276,618
  6. Step 6: Final answer
    x = 58,112,426.74

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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.