Home / 55,723,475.20-76,900,320.48-30,944,076.88

Finding the Fourth Proportional to 55,723,475.20, 76,900,320.48 and 30,944,076.88

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Solution

The fourth proportional to 55,723,475.20, 76,900,320.48 and 30,944,076.88 is: 42,703,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723,475.20 : 76,900,320.48 = 30,944,076.88 : x
  2. Step 2: Convert to fraction form
    55,723,475.20/76,900,320.48 = 30,944,076.88/x
  3. Step 3: Cross multiply
    55,723,475.20x = 76,900,320.48 × 30,944,076.88
  4. Step 4: Simplify right side
    55,723,475.20x = 2,379,609,429,029,758.50
  5. Step 5: Solve for x
    x = 2,379,609,429,029,758.50/55,723,475.20
  6. Step 6: Final answer
    x = 42,703,894.91

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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.