Home / 127,656,442.10-191,484,663.15-125,640,902.90

Finding the Fourth Proportional to 127,656,442.10, 191,484,663.15 and 125,640,902.90

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Solution

The fourth proportional to 127,656,442.10, 191,484,663.15 and 125,640,902.90 is: 188,461,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656,442.10 : 191,484,663.15 = 125,640,902.90 : x
  2. Step 2: Convert to fraction form
    127,656,442.10/191,484,663.15 = 125,640,902.90/x
  3. Step 3: Cross multiply
    127,656,442.10x = 191,484,663.15 × 125,640,902.90
  4. Step 4: Simplify right side
    127,656,442.10x = 24,058,305,969,668,360
  5. Step 5: Solve for x
    x = 24,058,305,969,668,360/127,656,442.10
  6. Step 6: Final answer
    x = 188,461,354.35

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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.