Home / 114,782,672.04-172,174,132.78-28,521,078.78

Finding the Fourth Proportional to 114,782,672.04, 172,174,132.78 and 28,521,078.78

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Solution

The fourth proportional to 114,782,672.04, 172,174,132.78 and 28,521,078.78 is: 42,781,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782,672.04 : 172,174,132.78 = 28,521,078.78 : x
  2. Step 2: Convert to fraction form
    114,782,672.04/172,174,132.78 = 28,521,078.78/x
  3. Step 3: Cross multiply
    114,782,672.04x = 172,174,132.78 × 28,521,078.78
  4. Step 4: Simplify right side
    114,782,672.04x = 4,910,592,004,896,561
  5. Step 5: Solve for x
    x = 4,910,592,004,896,561/114,782,672.04
  6. Step 6: Final answer
    x = 42,781,649.16

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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.