Home / 127,488,346.27-190,836,665.11-69,050,883.31

Finding the Fourth Proportional to 127,488,346.27, 190,836,665.11 and 69,050,883.31

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Solution

The fourth proportional to 127,488,346.27, 190,836,665.11 and 69,050,883.31 is: 103,361,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488,346.27 : 190,836,665.11 = 69,050,883.31 : x
  2. Step 2: Convert to fraction form
    127,488,346.27/190,836,665.11 = 69,050,883.31/x
  3. Step 3: Cross multiply
    127,488,346.27x = 190,836,665.11 × 69,050,883.31
  4. Step 4: Simplify right side
    127,488,346.27x = 13,177,440,293,389,382
  5. Step 5: Solve for x
    x = 13,177,440,293,389,382/127,488,346.27
  6. Step 6: Final answer
    x = 103,361,920.36

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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.