Home / 129,668,283.72-194,516,047.50-42,236,614.14

Finding the Fourth Proportional to 129,668,283.72, 194,516,047.50 and 42,236,614.14

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Solution

The fourth proportional to 129,668,283.72, 194,516,047.50 and 42,236,614.14 is: 63,359,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,668,283.72 : 194,516,047.50 = 42,236,614.14 : x
  2. Step 2: Convert to fraction form
    129,668,283.72/194,516,047.50 = 42,236,614.14/x
  3. Step 3: Cross multiply
    129,668,283.72x = 194,516,047.50 × 42,236,614.14
  4. Step 4: Simplify right side
    129,668,283.72x = 8,215,699,242,295,412
  5. Step 5: Solve for x
    x = 8,215,699,242,295,412/129,668,283.72
  6. Step 6: Final answer
    x = 63,359,358.25

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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.