Home / 96,720,179.40-145,080,269.10-74,801,190.60

Finding the Fourth Proportional to 96,720,179.40, 145,080,269.10 and 74,801,190.60

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Solution

The fourth proportional to 96,720,179.40, 145,080,269.10 and 74,801,190.60 is: 112,201,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720,179.40 : 145,080,269.10 = 74,801,190.60 : x
  2. Step 2: Convert to fraction form
    96,720,179.40/145,080,269.10 = 74,801,190.60/x
  3. Step 3: Cross multiply
    96,720,179.40x = 145,080,269.10 × 74,801,190.60
  4. Step 4: Simplify right side
    96,720,179.40x = 10,852,176,861,248,390
  5. Step 5: Solve for x
    x = 10,852,176,861,248,390/96,720,179.40
  6. Step 6: Final answer
    x = 112,201,785.90

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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.