Home / 437,020,156-655,445,192.40-126,105,913.36

Finding the Fourth Proportional to 437,020,156, 655,445,192.40 and 126,105,913.36

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Solution

The fourth proportional to 437,020,156, 655,445,192.40 and 126,105,913.36 is: 189,134,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,020,156 : 655,445,192.40 = 126,105,913.36 : x
  2. Step 2: Convert to fraction form
    437,020,156/655,445,192.40 = 126,105,913.36/x
  3. Step 3: Cross multiply
    437,020,156x = 655,445,192.40 × 126,105,913.36
  4. Step 4: Simplify right side
    437,020,156x = 82,655,514,645,022,928
  5. Step 5: Solve for x
    x = 82,655,514,645,022,928/437,020,156
  6. Step 6: Final answer
    x = 189,134,330.56

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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.