Home / 129,195,445.56-193,715,111.82-51,484,304.76

Finding the Fourth Proportional to 129,195,445.56, 193,715,111.82 and 51,484,304.76

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Solution

The fourth proportional to 129,195,445.56, 193,715,111.82 and 51,484,304.76 is: 77,195,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,195,445.56 : 193,715,111.82 = 51,484,304.76 : x
  2. Step 2: Convert to fraction form
    129,195,445.56/193,715,111.82 = 51,484,304.76/x
  3. Step 3: Cross multiply
    129,195,445.56x = 193,715,111.82 × 51,484,304.76
  4. Step 4: Simplify right side
    129,195,445.56x = 9,973,287,853,558,358
  5. Step 5: Solve for x
    x = 9,973,287,853,558,358/129,195,445.56
  6. Step 6: Final answer
    x = 77,195,351.67

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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.