Home / 54,288,780.40-74,919,048.78-29,508,951.88

Finding the Fourth Proportional to 54,288,780.40, 74,919,048.78 and 29,508,951.88

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Solution

The fourth proportional to 54,288,780.40, 74,919,048.78 and 29,508,951.88 is: 40,722,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288,780.40 : 74,919,048.78 = 29,508,951.88 : x
  2. Step 2: Convert to fraction form
    54,288,780.40/74,919,048.78 = 29,508,951.88/x
  3. Step 3: Cross multiply
    54,288,780.40x = 74,919,048.78 × 29,508,951.88
  4. Step 4: Simplify right side
    54,288,780.40x = 2,210,782,605,344,392.75
  5. Step 5: Solve for x
    x = 2,210,782,605,344,392.75/54,288,780.40
  6. Step 6: Final answer
    x = 40,722,642.67

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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.