Home / 118,098,205.40-177,147,308.10-66,442,140.20

Finding the Fourth Proportional to 118,098,205.40, 177,147,308.10 and 66,442,140.20

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Solution

The fourth proportional to 118,098,205.40, 177,147,308.10 and 66,442,140.20 is: 99,663,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,205.40 : 177,147,308.10 = 66,442,140.20 : x
  2. Step 2: Convert to fraction form
    118,098,205.40/177,147,308.10 = 66,442,140.20/x
  3. Step 3: Cross multiply
    118,098,205.40x = 177,147,308.10 × 66,442,140.20
  4. Step 4: Simplify right side
    118,098,205.40x = 11,770,046,280,832,796
  5. Step 5: Solve for x
    x = 11,770,046,280,832,796/118,098,205.40
  6. Step 6: Final answer
    x = 99,663,210.30

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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.