Home / 127,943,078.20-191,858,630.10-51,240,614.20

Finding the Fourth Proportional to 127,943,078.20, 191,858,630.10 and 51,240,614.20

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Solution

The fourth proportional to 127,943,078.20, 191,858,630.10 and 51,240,614.20 is: 76,838,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943,078.20 : 191,858,630.10 = 51,240,614.20 : x
  2. Step 2: Convert to fraction form
    127,943,078.20/191,858,630.10 = 51,240,614.20/x
  3. Step 3: Cross multiply
    127,943,078.20x = 191,858,630.10 × 51,240,614.20
  4. Step 4: Simplify right side
    127,943,078.20x = 9,830,954,045,894,608
  5. Step 5: Solve for x
    x = 9,830,954,045,894,608/127,943,078.20
  6. Step 6: Final answer
    x = 76,838,498.68

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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.