Home / 186,751,870.80-280,127,806.20-132,226,024.20

Finding the Fourth Proportional to 186,751,870.80, 280,127,806.20 and 132,226,024.20

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Solution

The fourth proportional to 186,751,870.80, 280,127,806.20 and 132,226,024.20 is: 198,339,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,751,870.80 : 280,127,806.20 = 132,226,024.20 : x
  2. Step 2: Convert to fraction form
    186,751,870.80/280,127,806.20 = 132,226,024.20/x
  3. Step 3: Cross multiply
    186,751,870.80x = 280,127,806.20 × 132,226,024.20
  4. Step 4: Simplify right side
    186,751,870.80x = 37,040,186,081,694,112
  5. Step 5: Solve for x
    x = 37,040,186,081,694,112/186,751,870.80
  6. Step 6: Final answer
    x = 198,339,036.30

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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.