Home / 147,051,691.20-220,577,536.80-82,554,436.80

Finding the Fourth Proportional to 147,051,691.20, 220,577,536.80 and 82,554,436.80

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Solution

The fourth proportional to 147,051,691.20, 220,577,536.80 and 82,554,436.80 is: 123,831,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,051,691.20 : 220,577,536.80 = 82,554,436.80 : x
  2. Step 2: Convert to fraction form
    147,051,691.20/220,577,536.80 = 82,554,436.80/x
  3. Step 3: Cross multiply
    147,051,691.20x = 220,577,536.80 × 82,554,436.80
  4. Step 4: Simplify right side
    147,051,691.20x = 18,209,654,321,255,276
  5. Step 5: Solve for x
    x = 18,209,654,321,255,276/147,051,691.20
  6. Step 6: Final answer
    x = 123,831,655.20

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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.