Home / 77,378,095.20-115,934,432.40-36,901,423.20

Finding the Fourth Proportional to 77,378,095.20, 115,934,432.40 and 36,901,423.20

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Solution

The fourth proportional to 77,378,095.20, 115,934,432.40 and 36,901,423.20 is: 55,288,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,378,095.20 : 115,934,432.40 = 36,901,423.20 : x
  2. Step 2: Convert to fraction form
    77,378,095.20/115,934,432.40 = 36,901,423.20/x
  3. Step 3: Cross multiply
    77,378,095.20x = 115,934,432.40 × 36,901,423.20
  4. Step 4: Simplify right side
    77,378,095.20x = 4,278,145,553,444,192
  5. Step 5: Solve for x
    x = 4,278,145,553,444,192/77,378,095.20
  6. Step 6: Final answer
    x = 55,288,845.54

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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.