Home / 239,171,366.86-358,722,985.50-75,387,838.12

Finding the Fourth Proportional to 239,171,366.86, 358,722,985.50 and 75,387,838.12

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Solution

The fourth proportional to 239,171,366.86, 358,722,985.50 and 75,387,838.12 is: 113,071,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,171,366.86 : 358,722,985.50 = 75,387,838.12 : x
  2. Step 2: Convert to fraction form
    239,171,366.86/358,722,985.50 = 75,387,838.12/x
  3. Step 3: Cross multiply
    239,171,366.86x = 358,722,985.50 × 75,387,838.12
  4. Step 4: Simplify right side
    239,171,366.86x = 27,043,350,359,900,304
  5. Step 5: Solve for x
    x = 27,043,350,359,900,304/239,171,366.86
  6. Step 6: Final answer
    x = 113,071,019.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.