Home / 147,391,566.90-220,751,427.15-86,925,390.90

Finding the Fourth Proportional to 147,391,566.90, 220,751,427.15 and 86,925,390.90

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Solution

The fourth proportional to 147,391,566.90, 220,751,427.15 and 86,925,390.90 is: 130,189,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,391,566.90 : 220,751,427.15 = 86,925,390.90 : x
  2. Step 2: Convert to fraction form
    147,391,566.90/220,751,427.15 = 86,925,390.90/x
  3. Step 3: Cross multiply
    147,391,566.90x = 220,751,427.15 × 86,925,390.90
  4. Step 4: Simplify right side
    147,391,566.90x = 19,188,904,096,746,624
  5. Step 5: Solve for x
    x = 19,188,904,096,746,624/147,391,566.90
  6. Step 6: Final answer
    x = 130,189,972.88

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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.