Home / 65,981,812.20-98,972,718.30-61,502,836.20

Finding the Fourth Proportional to 65,981,812.20, 98,972,718.30 and 61,502,836.20

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Solution

The fourth proportional to 65,981,812.20, 98,972,718.30 and 61,502,836.20 is: 92,254,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,981,812.20 : 98,972,718.30 = 61,502,836.20 : x
  2. Step 2: Convert to fraction form
    65,981,812.20/98,972,718.30 = 61,502,836.20/x
  3. Step 3: Cross multiply
    65,981,812.20x = 98,972,718.30 × 61,502,836.20
  4. Step 4: Simplify right side
    65,981,812.20x = 6,087,102,881,873,643
  5. Step 5: Solve for x
    x = 6,087,102,881,873,643/65,981,812.20
  6. Step 6: Final answer
    x = 92,254,254.30

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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.