Home / 143,055,319.20-197,420,569.92-101,314,062.24

Finding the Fourth Proportional to 143,055,319.20, 197,420,569.92 and 101,314,062.24

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Solution

The fourth proportional to 143,055,319.20, 197,420,569.92 and 101,314,062.24 is: 139,816,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,055,319.20 : 197,420,569.92 = 101,314,062.24 : x
  2. Step 2: Convert to fraction form
    143,055,319.20/197,420,569.92 = 101,314,062.24/x
  3. Step 3: Cross multiply
    143,055,319.20x = 197,420,569.92 × 101,314,062.24
  4. Step 4: Simplify right side
    143,055,319.20x = 20,001,479,908,331,148
  5. Step 5: Solve for x
    x = 20,001,479,908,331,148/143,055,319.20
  6. Step 6: Final answer
    x = 139,816,401.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.