Home / 45,319,570.10-67,979,355.15-38,145,116.60

Finding the Fourth Proportional to 45,319,570.10, 67,979,355.15 and 38,145,116.60

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Solution

The fourth proportional to 45,319,570.10, 67,979,355.15 and 38,145,116.60 is: 57,217,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319,570.10 : 67,979,355.15 = 38,145,116.60 : x
  2. Step 2: Convert to fraction form
    45,319,570.10/67,979,355.15 = 38,145,116.60/x
  3. Step 3: Cross multiply
    45,319,570.10x = 67,979,355.15 × 38,145,116.60
  4. Step 4: Simplify right side
    45,319,570.10x = 2,593,080,428,589,561
  5. Step 5: Solve for x
    x = 2,593,080,428,589,561/45,319,570.10
  6. Step 6: Final answer
    x = 57,217,674.90

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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.