Home / 126,399,223.60-189,598,835.40-88,103,978.80

Finding the Fourth Proportional to 126,399,223.60, 189,598,835.40 and 88,103,978.80

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Solution

The fourth proportional to 126,399,223.60, 189,598,835.40 and 88,103,978.80 is: 132,155,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,399,223.60 : 189,598,835.40 = 88,103,978.80 : x
  2. Step 2: Convert to fraction form
    126,399,223.60/189,598,835.40 = 88,103,978.80/x
  3. Step 3: Cross multiply
    126,399,223.60x = 189,598,835.40 × 88,103,978.80
  4. Step 4: Simplify right side
    126,399,223.60x = 16,704,411,774,586,290
  5. Step 5: Solve for x
    x = 16,704,411,774,586,290/126,399,223.60
  6. Step 6: Final answer
    x = 132,155,968.20

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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.