Home / 250,372,807.32-375,294,145.10-84,218,136.78

Finding the Fourth Proportional to 250,372,807.32, 375,294,145.10 and 84,218,136.78

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Solution

The fourth proportional to 250,372,807.32, 375,294,145.10 and 84,218,136.78 is: 126,238,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,372,807.32 : 375,294,145.10 = 84,218,136.78 : x
  2. Step 2: Convert to fraction form
    250,372,807.32/375,294,145.10 = 84,218,136.78/x
  3. Step 3: Cross multiply
    250,372,807.32x = 375,294,145.10 × 84,218,136.78
  4. Step 4: Simplify right side
    250,372,807.32x = 31,606,573,644,343,880
  5. Step 5: Solve for x
    x = 31,606,573,644,343,880/250,372,807.32
  6. Step 6: Final answer
    x = 126,238,044.71

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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.