Home / 412,231,527.91-618,346,898.20-105,523,148.71

Finding the Fourth Proportional to 412,231,527.91, 618,346,898.20 and 105,523,148.71

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Solution

The fourth proportional to 412,231,527.91, 618,346,898.20 and 105,523,148.71 is: 158,284,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,231,527.91 : 618,346,898.20 = 105,523,148.71 : x
  2. Step 2: Convert to fraction form
    412,231,527.91/618,346,898.20 = 105,523,148.71/x
  3. Step 3: Cross multiply
    412,231,527.91x = 618,346,898.20 × 105,523,148.71
  4. Step 4: Simplify right side
    412,231,527.91x = 65,249,911,693,125,832
  5. Step 5: Solve for x
    x = 65,249,911,693,125,832/412,231,527.91
  6. Step 6: Final answer
    x = 158,284,622.29

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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.