Home / 143,661,282.66-198,252,569.48-77,581,777.23

Finding the Fourth Proportional to 143,661,282.66, 198,252,569.48 and 77,581,777.23

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Solution

The fourth proportional to 143,661,282.66, 198,252,569.48 and 77,581,777.23 is: 107,062,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,661,282.66 : 198,252,569.48 = 77,581,777.23 : x
  2. Step 2: Convert to fraction form
    143,661,282.66/198,252,569.48 = 77,581,777.23/x
  3. Step 3: Cross multiply
    143,661,282.66x = 198,252,569.48 × 77,581,777.23
  4. Step 4: Simplify right side
    143,661,282.66x = 15,380,786,680,284,548
  5. Step 5: Solve for x
    x = 15,380,786,680,284,548/143,661,282.66
  6. Step 6: Final answer
    x = 107,062,852.26

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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.