Home / 61,539,487.80-92,314,119.65-20,599,143.05

Finding the Fourth Proportional to 61,539,487.80, 92,314,119.65 and 20,599,143.05

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Solution

The fourth proportional to 61,539,487.80, 92,314,119.65 and 20,599,143.05 is: 30,900,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539,487.80 : 92,314,119.65 = 20,599,143.05 : x
  2. Step 2: Convert to fraction form
    61,539,487.80/92,314,119.65 = 20,599,143.05/x
  3. Step 3: Cross multiply
    61,539,487.80x = 92,314,119.65 × 20,599,143.05
  4. Step 4: Simplify right side
    61,539,487.80x = 1,901,591,755,640,599.75
  5. Step 5: Solve for x
    x = 1,901,591,755,640,599.75/61,539,487.80
  6. Step 6: Final answer
    x = 30,900,350.71

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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.