Home / 83,266,145.60-124,899,218.40-21,855,185.60

Finding the Fourth Proportional to 83,266,145.60, 124,899,218.40 and 21,855,185.60

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Solution

The fourth proportional to 83,266,145.60, 124,899,218.40 and 21,855,185.60 is: 32,782,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266,145.60 : 124,899,218.40 = 21,855,185.60 : x
  2. Step 2: Convert to fraction form
    83,266,145.60/124,899,218.40 = 21,855,185.60/x
  3. Step 3: Cross multiply
    83,266,145.60x = 124,899,218.40 × 21,855,185.60
  4. Step 4: Simplify right side
    83,266,145.60x = 2,729,695,599,426,935.50
  5. Step 5: Solve for x
    x = 2,729,695,599,426,935.50/83,266,145.60
  6. Step 6: Final answer
    x = 32,782,778.40

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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.