Home / 85,536,053.10-128,304,079.65-83,016,629.10

Finding the Fourth Proportional to 85,536,053.10, 128,304,079.65 and 83,016,629.10

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Solution

The fourth proportional to 85,536,053.10, 128,304,079.65 and 83,016,629.10 is: 124,524,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,053.10 : 128,304,079.65 = 83,016,629.10 : x
  2. Step 2: Convert to fraction form
    85,536,053.10/128,304,079.65 = 83,016,629.10/x
  3. Step 3: Cross multiply
    85,536,053.10x = 128,304,079.65 × 83,016,629.10
  4. Step 4: Simplify right side
    85,536,053.10x = 10,651,372,192,320,908
  5. Step 5: Solve for x
    x = 10,651,372,192,320,908/85,536,053.10
  6. Step 6: Final answer
    x = 124,524,943.65

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Similar ratio
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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.