Home / 189,598,866.90-284,398,300.35-132,155,999.70

Finding the Fourth Proportional to 189,598,866.90, 284,398,300.35 and 132,155,999.70

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Solution

The fourth proportional to 189,598,866.90, 284,398,300.35 and 132,155,999.70 is: 198,233,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,598,866.90 : 284,398,300.35 = 132,155,999.70 : x
  2. Step 2: Convert to fraction form
    189,598,866.90/284,398,300.35 = 132,155,999.70/x
  3. Step 3: Cross multiply
    189,598,866.90x = 284,398,300.35 × 132,155,999.70
  4. Step 4: Simplify right side
    189,598,866.90x = 37,584,941,695,735,112
  5. Step 5: Solve for x
    x = 37,584,941,695,735,112/189,598,866.90
  6. Step 6: Final answer
    x = 198,233,999.55

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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.