Home / 165,048,009.60-247,572,014.40-88,520,505.60

Finding the Fourth Proportional to 165,048,009.60, 247,572,014.40 and 88,520,505.60

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Solution

The fourth proportional to 165,048,009.60, 247,572,014.40 and 88,520,505.60 is: 132,780,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,048,009.60 : 247,572,014.40 = 88,520,505.60 : x
  2. Step 2: Convert to fraction form
    165,048,009.60/247,572,014.40 = 88,520,505.60/x
  3. Step 3: Cross multiply
    165,048,009.60x = 247,572,014.40 × 88,520,505.60
  4. Step 4: Simplify right side
    165,048,009.60x = 21,915,199,887,098,480
  5. Step 5: Solve for x
    x = 21,915,199,887,098,480/165,048,009.60
  6. Step 6: Final answer
    x = 132,780,758.40

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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.