Home / 66,406,165.76-91,641,004.08-37,039,401.92

Finding the Fourth Proportional to 66,406,165.76, 91,641,004.08 and 37,039,401.92

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Solution

The fourth proportional to 66,406,165.76, 91,641,004.08 and 37,039,401.92 is: 51,114,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,406,165.76 : 91,641,004.08 = 37,039,401.92 : x
  2. Step 2: Convert to fraction form
    66,406,165.76/91,641,004.08 = 37,039,401.92/x
  3. Step 3: Cross multiply
    66,406,165.76x = 91,641,004.08 × 37,039,401.92
  4. Step 4: Simplify right side
    66,406,165.76x = 3,394,327,982,471,480
  5. Step 5: Solve for x
    x = 3,394,327,982,471,480/66,406,165.76
  6. Step 6: Final answer
    x = 51,114,650.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.