Home / 127,488,354.26-190,836,677.10-69,050,891.30

Finding the Fourth Proportional to 127,488,354.26, 190,836,677.10 and 69,050,891.30

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Solution

The fourth proportional to 127,488,354.26, 190,836,677.10 and 69,050,891.30 is: 103,361,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488,354.26 : 190,836,677.10 = 69,050,891.30 : x
  2. Step 2: Convert to fraction form
    127,488,354.26/190,836,677.10 = 69,050,891.30/x
  3. Step 3: Cross multiply
    127,488,354.26x = 190,836,677.10 × 69,050,891.30
  4. Step 4: Simplify right side
    127,488,354.26x = 13,177,442,646,485,298
  5. Step 5: Solve for x
    x = 13,177,442,646,485,298/127,488,354.26
  6. Step 6: Final answer
    x = 103,361,932.33

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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.