Home / 189,598,778.40-284,398,167.60-132,155,911.20

Finding the Fourth Proportional to 189,598,778.40, 284,398,167.60 and 132,155,911.20

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Solution

The fourth proportional to 189,598,778.40, 284,398,167.60 and 132,155,911.20 is: 198,233,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,598,778.40 : 284,398,167.60 = 132,155,911.20 : x
  2. Step 2: Convert to fraction form
    189,598,778.40/284,398,167.60 = 132,155,911.20/x
  3. Step 3: Cross multiply
    189,598,778.40x = 284,398,167.60 × 132,155,911.20
  4. Step 4: Simplify right side
    189,598,778.40x = 37,584,898,982,788,320
  5. Step 5: Solve for x
    x = 37,584,898,982,788,320/189,598,778.40
  6. Step 6: Final answer
    x = 198,233,866.80

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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.