Home / 316,961,862.92-475,220,025.04-139,614,852.88

Finding the Fourth Proportional to 316,961,862.92, 475,220,025.04 and 139,614,852.88

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Solution

The fourth proportional to 316,961,862.92, 475,220,025.04 and 139,614,852.88 is: 209,324,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,961,862.92 : 475,220,025.04 = 139,614,852.88 : x
  2. Step 2: Convert to fraction form
    316,961,862.92/475,220,025.04 = 139,614,852.88/x
  3. Step 3: Cross multiply
    316,961,862.92x = 475,220,025.04 × 139,614,852.88
  4. Step 4: Simplify right side
    316,961,862.92x = 66,347,773,883,432,344
  5. Step 5: Solve for x
    x = 66,347,773,883,432,344/316,961,862.92
  6. Step 6: Final answer
    x = 209,324,154.25

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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.