Home / 145,861,997.12-218,712,216-59,660,941.76

Finding the Fourth Proportional to 145,861,997.12, 218,712,216 and 59,660,941.76

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Solution

The fourth proportional to 145,861,997.12, 218,712,216 and 59,660,941.76 is: 89,458,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,861,997.12 : 218,712,216 = 59,660,941.76 : x
  2. Step 2: Convert to fraction form
    145,861,997.12/218,712,216 = 59,660,941.76/x
  3. Step 3: Cross multiply
    145,861,997.12x = 218,712,216 × 59,660,941.76
  4. Step 4: Simplify right side
    145,861,997.12x = 13,048,576,780,976,540
  5. Step 5: Solve for x
    x = 13,048,576,780,976,540/145,861,997.12
  6. Step 6: Final answer
    x = 89,458,371.88

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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.