Home / 51,178,066.79-70,625,629.96-29,151,557.78

Finding the Fourth Proportional to 51,178,066.79, 70,625,629.96 and 29,151,557.78

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Solution

The fourth proportional to 51,178,066.79, 70,625,629.96 and 29,151,557.78 is: 40,229,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178,066.79 : 70,625,629.96 = 29,151,557.78 : x
  2. Step 2: Convert to fraction form
    51,178,066.79/70,625,629.96 = 29,151,557.78/x
  3. Step 3: Cross multiply
    51,178,066.79x = 70,625,629.96 × 29,151,557.78
  4. Step 4: Simplify right side
    51,178,066.79x = 2,058,847,132,101,831.75
  5. Step 5: Solve for x
    x = 2,058,847,132,101,831.75/51,178,066.79
  6. Step 6: Final answer
    x = 40,229,091.51

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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.