Home / 143,859,151.81-198,525,256.10-80,278,824.33

Finding the Fourth Proportional to 143,859,151.81, 198,525,256.10 and 80,278,824.33

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Solution

The fourth proportional to 143,859,151.81, 198,525,256.10 and 80,278,824.33 is: 110,784,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,859,151.81 : 198,525,256.10 = 80,278,824.33 : x
  2. Step 2: Convert to fraction form
    143,859,151.81/198,525,256.10 = 80,278,824.33/x
  3. Step 3: Cross multiply
    143,859,151.81x = 198,525,256.10 × 80,278,824.33
  4. Step 4: Simplify right side
    143,859,151.81x = 15,937,374,159,047,578
  5. Step 5: Solve for x
    x = 15,937,374,159,047,578/143,859,151.81
  6. Step 6: Final answer
    x = 110,784,569.20

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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.