Home / 85,246,764.08-127,876,792.98-30,666,446.60

Finding the Fourth Proportional to 85,246,764.08, 127,876,792.98 and 30,666,446.60

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Solution

The fourth proportional to 85,246,764.08, 127,876,792.98 and 30,666,446.60 is: 46,002,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246,764.08 : 127,876,792.98 = 30,666,446.60 : x
  2. Step 2: Convert to fraction form
    85,246,764.08/127,876,792.98 = 30,666,446.60/x
  3. Step 3: Cross multiply
    85,246,764.08x = 127,876,792.98 × 30,666,446.60
  4. Step 4: Simplify right side
    85,246,764.08x = 3,921,526,843,300,425
  5. Step 5: Solve for x
    x = 3,921,526,843,300,425/85,246,764.08
  6. Step 6: Final answer
    x = 46,002,061.02

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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.