Home / 127,488,353.26-190,836,675.60-69,050,890.30

Finding the Fourth Proportional to 127,488,353.26, 190,836,675.60 and 69,050,890.30

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Solution

The fourth proportional to 127,488,353.26, 190,836,675.60 and 69,050,890.30 is: 103,361,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488,353.26 : 190,836,675.60 = 69,050,890.30 : x
  2. Step 2: Convert to fraction form
    127,488,353.26/190,836,675.60 = 69,050,890.30/x
  3. Step 3: Cross multiply
    127,488,353.26x = 190,836,675.60 × 69,050,890.30
  4. Step 4: Simplify right side
    127,488,353.26x = 13,177,442,352,072,286
  5. Step 5: Solve for x
    x = 13,177,442,352,072,286/127,488,353.26
  6. Step 6: Final answer
    x = 103,361,930.84

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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.