Home / 247,642,870.20-371,464,305.30-140,147,446.20

Finding the Fourth Proportional to 247,642,870.20, 371,464,305.30 and 140,147,446.20

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Solution

The fourth proportional to 247,642,870.20, 371,464,305.30 and 140,147,446.20 is: 210,221,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,642,870.20 : 371,464,305.30 = 140,147,446.20 : x
  2. Step 2: Convert to fraction form
    247,642,870.20/371,464,305.30 = 140,147,446.20/x
  3. Step 3: Cross multiply
    247,642,870.20x = 371,464,305.30 × 140,147,446.20
  4. Step 4: Simplify right side
    247,642,870.20x = 52,059,773,742,252,120
  5. Step 5: Solve for x
    x = 52,059,773,742,252,120/247,642,870.20
  6. Step 6: Final answer
    x = 210,221,169.30

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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.