Home / 56,667,776.20-84,859,946.70-45,330,368.20

Finding the Fourth Proportional to 56,667,776.20, 84,859,946.70 and 45,330,368.20

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Solution

The fourth proportional to 56,667,776.20, 84,859,946.70 and 45,330,368.20 is: 67,882,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667,776.20 : 84,859,946.70 = 45,330,368.20 : x
  2. Step 2: Convert to fraction form
    56,667,776.20/84,859,946.70 = 45,330,368.20/x
  3. Step 3: Cross multiply
    56,667,776.20x = 84,859,946.70 × 45,330,368.20
  4. Step 4: Simplify right side
    56,667,776.20x = 3,846,732,629,343,375.50
  5. Step 5: Solve for x
    x = 3,846,732,629,343,375.50/56,667,776.20
  6. Step 6: Final answer
    x = 67,882,187.86

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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.