Home / 86,287,746.30-129,431,619.45-63,612,930.30

Finding the Fourth Proportional to 86,287,746.30, 129,431,619.45 and 63,612,930.30

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Solution

The fourth proportional to 86,287,746.30, 129,431,619.45 and 63,612,930.30 is: 95,419,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287,746.30 : 129,431,619.45 = 63,612,930.30 : x
  2. Step 2: Convert to fraction form
    86,287,746.30/129,431,619.45 = 63,612,930.30/x
  3. Step 3: Cross multiply
    86,287,746.30x = 129,431,619.45 × 63,612,930.30
  4. Step 4: Simplify right side
    86,287,746.30x = 8,233,524,586,688,974
  5. Step 5: Solve for x
    x = 8,233,524,586,688,974/86,287,746.30
  6. Step 6: Final answer
    x = 95,419,395.45

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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.