Home / 113,420,351.41-170,160,803.10-40,644,488.72

Finding the Fourth Proportional to 113,420,351.41, 170,160,803.10 and 40,644,488.72

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Solution

The fourth proportional to 113,420,351.41, 170,160,803.10 and 40,644,488.72 is: 60,977,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420,351.41 : 170,160,803.10 = 40,644,488.72 : x
  2. Step 2: Convert to fraction form
    113,420,351.41/170,160,803.10 = 40,644,488.72/x
  3. Step 3: Cross multiply
    113,420,351.41x = 170,160,803.10 × 40,644,488.72
  4. Step 4: Simplify right side
    113,420,351.41x = 6,916,098,842,905,641
  5. Step 5: Solve for x
    x = 6,916,098,842,905,641/113,420,351.41
  6. Step 6: Final answer
    x = 60,977,582.56

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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.