Home / 73,138,233.90-109,707,350.85-65,202,048.30

Finding the Fourth Proportional to 73,138,233.90, 109,707,350.85 and 65,202,048.30

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Solution

The fourth proportional to 73,138,233.90, 109,707,350.85 and 65,202,048.30 is: 97,803,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,138,233.90 : 109,707,350.85 = 65,202,048.30 : x
  2. Step 2: Convert to fraction form
    73,138,233.90/109,707,350.85 = 65,202,048.30/x
  3. Step 3: Cross multiply
    73,138,233.90x = 109,707,350.85 × 65,202,048.30
  4. Step 4: Simplify right side
    73,138,233.90x = 7,153,143,988,986,745
  5. Step 5: Solve for x
    x = 7,153,143,988,986,745/73,138,233.90
  6. Step 6: Final answer
    x = 97,803,072.45

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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.