Home / 49,666,404.90-74,526,179.40-20,915,446.80

Finding the Fourth Proportional to 49,666,404.90, 74,526,179.40 and 20,915,446.80

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Solution

The fourth proportional to 49,666,404.90, 74,526,179.40 and 20,915,446.80 is: 31,384,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,666,404.90 : 74,526,179.40 = 20,915,446.80 : x
  2. Step 2: Convert to fraction form
    49,666,404.90/74,526,179.40 = 20,915,446.80/x
  3. Step 3: Cross multiply
    49,666,404.90x = 74,526,179.40 × 20,915,446.80
  4. Step 4: Simplify right side
    49,666,404.90x = 1,558,748,340,447,956
  5. Step 5: Solve for x
    x = 1,558,748,340,447,956/49,666,404.90
  6. Step 6: Final answer
    x = 31,384,360.18

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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.