Home / 131,232,776.80-196,849,165.20-54,705,272.80

Finding the Fourth Proportional to 131,232,776.80, 196,849,165.20 and 54,705,272.80

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Solution

The fourth proportional to 131,232,776.80, 196,849,165.20 and 54,705,272.80 is: 82,057,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,232,776.80 : 196,849,165.20 = 54,705,272.80 : x
  2. Step 2: Convert to fraction form
    131,232,776.80/196,849,165.20 = 54,705,272.80/x
  3. Step 3: Cross multiply
    131,232,776.80x = 196,849,165.20 × 54,705,272.80
  4. Step 4: Simplify right side
    131,232,776.80x = 10,768,687,282,718,266
  5. Step 5: Solve for x
    x = 10,768,687,282,718,266/131,232,776.80
  6. Step 6: Final answer
    x = 82,057,909.20

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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.