Home / 56,789,998.60-85,164,002.70-18,452,763.40

Finding the Fourth Proportional to 56,789,998.60, 85,164,002.70 and 18,452,763.40

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Solution

The fourth proportional to 56,789,998.60, 85,164,002.70 and 18,452,763.40 is: 27,672,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,789,998.60 : 85,164,002.70 = 18,452,763.40 : x
  2. Step 2: Convert to fraction form
    56,789,998.60/85,164,002.70 = 18,452,763.40/x
  3. Step 3: Cross multiply
    56,789,998.60x = 85,164,002.70 × 18,452,763.40
  4. Step 4: Simplify right side
    56,789,998.60x = 1,571,511,192,020,061
  5. Step 5: Solve for x
    x = 1,571,511,192,020,061/56,789,998.60
  6. Step 6: Final answer
    x = 27,672,323.13

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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.