Home / 61,344,139.20-92,016,208.80-18,219,998.40

Finding the Fourth Proportional to 61,344,139.20, 92,016,208.80 and 18,219,998.40

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Solution

The fourth proportional to 61,344,139.20, 92,016,208.80 and 18,219,998.40 is: 27,329,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,344,139.20 : 92,016,208.80 = 18,219,998.40 : x
  2. Step 2: Convert to fraction form
    61,344,139.20/92,016,208.80 = 18,219,998.40/x
  3. Step 3: Cross multiply
    61,344,139.20x = 92,016,208.80 × 18,219,998.40
  4. Step 4: Simplify right side
    61,344,139.20x = 1,676,535,177,110,065.75
  5. Step 5: Solve for x
    x = 1,676,535,177,110,065.75/61,344,139.20
  6. Step 6: Final answer
    x = 27,329,997.60

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Double scale
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Similar ratio
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1.5x scale

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.