Home / 84,744,086.20-127,116,129.30-65,612,210.20

Finding the Fourth Proportional to 84,744,086.20, 127,116,129.30 and 65,612,210.20

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Solution

The fourth proportional to 84,744,086.20, 127,116,129.30 and 65,612,210.20 is: 98,418,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744,086.20 : 127,116,129.30 = 65,612,210.20 : x
  2. Step 2: Convert to fraction form
    84,744,086.20/127,116,129.30 = 65,612,210.20/x
  3. Step 3: Cross multiply
    84,744,086.20x = 127,116,129.30 × 65,612,210.20
  4. Step 4: Simplify right side
    84,744,086.20x = 8,340,370,195,441,979
  5. Step 5: Solve for x
    x = 8,340,370,195,441,979/84,744,086.20
  6. Step 6: Final answer
    x = 98,418,315.30

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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.