Home / 239,816,021.85-359,157,379.46-117,078,393.69

Finding the Fourth Proportional to 239,816,021.85, 359,157,379.46 and 117,078,393.69

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Solution

The fourth proportional to 239,816,021.85, 359,157,379.46 and 117,078,393.69 is: 175,340,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,816,021.85 : 359,157,379.46 = 117,078,393.69 : x
  2. Step 2: Convert to fraction form
    239,816,021.85/359,157,379.46 = 117,078,393.69/x
  3. Step 3: Cross multiply
    239,816,021.85x = 359,157,379.46 × 117,078,393.69
  4. Step 4: Simplify right side
    239,816,021.85x = 42,049,569,068,501,208
  5. Step 5: Solve for x
    x = 42,049,569,068,501,208/239,816,021.85
  6. Step 6: Final answer
    x = 175,340,949.88

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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.