Home / 140,545,545.39-193,925,289.78-88,304,313.11

Finding the Fourth Proportional to 140,545,545.39, 193,925,289.78 and 88,304,313.11

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Solution

The fourth proportional to 140,545,545.39, 193,925,289.78 and 88,304,313.11 is: 121,842,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,545,545.39 : 193,925,289.78 = 88,304,313.11 : x
  2. Step 2: Convert to fraction form
    140,545,545.39/193,925,289.78 = 88,304,313.11/x
  3. Step 3: Cross multiply
    140,545,545.39x = 193,925,289.78 × 88,304,313.11
  4. Step 4: Simplify right side
    140,545,545.39x = 17,124,439,507,710,978
  5. Step 5: Solve for x
    x = 17,124,439,507,710,978/140,545,545.39
  6. Step 6: Final answer
    x = 121,842,634.43

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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.