Home / 57,443,331.20-86,206,987.20-40,437,219.20

Finding the Fourth Proportional to 57,443,331.20, 86,206,987.20 and 40,437,219.20

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Solution

The fourth proportional to 57,443,331.20, 86,206,987.20 and 40,437,219.20 is: 60,685,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443,331.20 : 86,206,987.20 = 40,437,219.20 : x
  2. Step 2: Convert to fraction form
    57,443,331.20/86,206,987.20 = 40,437,219.20/x
  3. Step 3: Cross multiply
    57,443,331.20x = 86,206,987.20 × 40,437,219.20
  4. Step 4: Simplify right side
    57,443,331.20x = 3,485,970,837,977,994.50
  5. Step 5: Solve for x
    x = 3,485,970,837,977,994.50/57,443,331.20
  6. Step 6: Final answer
    x = 60,685,387.93

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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.