Home / 73,428,693.80-110,143,040.70-60,663,612.20

Finding the Fourth Proportional to 73,428,693.80, 110,143,040.70 and 60,663,612.20

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Solution

The fourth proportional to 73,428,693.80, 110,143,040.70 and 60,663,612.20 is: 90,995,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,428,693.80 : 110,143,040.70 = 60,663,612.20 : x
  2. Step 2: Convert to fraction form
    73,428,693.80/110,143,040.70 = 60,663,612.20/x
  3. Step 3: Cross multiply
    73,428,693.80x = 110,143,040.70 × 60,663,612.20
  4. Step 4: Simplify right side
    73,428,693.80x = 6,681,674,707,553,617
  5. Step 5: Solve for x
    x = 6,681,674,707,553,617/73,428,693.80
  6. Step 6: Final answer
    x = 90,995,418.30

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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.