Home / 144,002,895.42-198,724,522.35-77,923,394.34

Finding the Fourth Proportional to 144,002,895.42, 198,724,522.35 and 77,923,394.34

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Solution

The fourth proportional to 144,002,895.42, 198,724,522.35 and 77,923,394.34 is: 107,534,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,895.42 : 198,724,522.35 = 77,923,394.34 : x
  2. Step 2: Convert to fraction form
    144,002,895.42/198,724,522.35 = 77,923,394.34/x
  3. Step 3: Cross multiply
    144,002,895.42x = 198,724,522.35 × 77,923,394.34
  4. Step 4: Simplify right side
    144,002,895.42x = 15,485,289,320,107,194
  5. Step 5: Solve for x
    x = 15,485,289,320,107,194/144,002,895.42
  6. Step 6: Final answer
    x = 107,534,569.18

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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.