Home / 129,287,844.42-193,818,217.56-52,675,309.86

Finding the Fourth Proportional to 129,287,844.42, 193,818,217.56 and 52,675,309.86

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Solution

The fourth proportional to 129,287,844.42, 193,818,217.56 and 52,675,309.86 is: 78,966,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,287,844.42 : 193,818,217.56 = 52,675,309.86 : x
  2. Step 2: Convert to fraction form
    129,287,844.42/193,818,217.56 = 52,675,309.86/x
  3. Step 3: Cross multiply
    129,287,844.42x = 193,818,217.56 × 52,675,309.86
  4. Step 4: Simplify right side
    129,287,844.42x = 10,209,434,666,485,894
  5. Step 5: Solve for x
    x = 10,209,434,666,485,894/129,287,844.42
  6. Step 6: Final answer
    x = 78,966,701.88

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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.