Home / 165,121,246.80-247,681,870.20-88,593,742.80

Finding the Fourth Proportional to 165,121,246.80, 247,681,870.20 and 88,593,742.80

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Solution

The fourth proportional to 165,121,246.80, 247,681,870.20 and 88,593,742.80 is: 132,890,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,121,246.80 : 247,681,870.20 = 88,593,742.80 : x
  2. Step 2: Convert to fraction form
    165,121,246.80/247,681,870.20 = 88,593,742.80/x
  3. Step 3: Cross multiply
    165,121,246.80x = 247,681,870.20 × 88,593,742.80
  4. Step 4: Simplify right side
    165,121,246.80x = 21,943,063,904,721,784
  5. Step 5: Solve for x
    x = 21,943,063,904,721,784/165,121,246.80
  6. Step 6: Final answer
    x = 132,890,614.20

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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.