Home / 56,667,764.70-84,859,929.45-45,330,356.70

Finding the Fourth Proportional to 56,667,764.70, 84,859,929.45 and 45,330,356.70

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Solution

The fourth proportional to 56,667,764.70, 84,859,929.45 and 45,330,356.70 is: 67,882,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667,764.70 : 84,859,929.45 = 45,330,356.70 : x
  2. Step 2: Convert to fraction form
    56,667,764.70/84,859,929.45 = 45,330,356.70/x
  3. Step 3: Cross multiply
    56,667,764.70x = 84,859,929.45 × 45,330,356.70
  4. Step 4: Simplify right side
    56,667,764.70x = 3,846,730,871,505,335
  5. Step 5: Solve for x
    x = 3,846,730,871,505,335/56,667,764.70
  6. Step 6: Final answer
    x = 67,882,170.61

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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.