Home / 351,528,008.61-527,394,396.11-157,394,020.71

Finding the Fourth Proportional to 351,528,008.61, 527,394,396.11 and 157,394,020.71

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Solution

The fourth proportional to 351,528,008.61, 527,394,396.11 and 157,394,020.71 is: 236,136,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,528,008.61 : 527,394,396.11 = 157,394,020.71 : x
  2. Step 2: Convert to fraction form
    351,528,008.61/527,394,396.11 = 157,394,020.71/x
  3. Step 3: Cross multiply
    351,528,008.61x = 527,394,396.11 × 157,394,020.71
  4. Step 4: Simplify right side
    351,528,008.61x = 83,008,724,502,888,320
  5. Step 5: Solve for x
    x = 83,008,724,502,888,320/351,528,008.61
  6. Step 6: Final answer
    x = 236,136,872.37

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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.