Home / 123,475,031.28-185,229,486.68-71,683,946.78

Finding the Fourth Proportional to 123,475,031.28, 185,229,486.68 and 71,683,946.78

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Solution

The fourth proportional to 123,475,031.28, 185,229,486.68 and 71,683,946.78 is: 107,535,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475,031.28 : 185,229,486.68 = 71,683,946.78 : x
  2. Step 2: Convert to fraction form
    123,475,031.28/185,229,486.68 = 71,683,946.78/x
  3. Step 3: Cross multiply
    123,475,031.28x = 185,229,486.68 × 71,683,946.78
  4. Step 4: Simplify right side
    123,475,031.28x = 13,277,980,665,255,840
  5. Step 5: Solve for x
    x = 13,277,980,665,255,840/123,475,031.28
  6. Step 6: Final answer
    x = 107,535,754.62

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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.