Home / 66,945,280.41-100,378,902.65-25,956,834.75

Finding the Fourth Proportional to 66,945,280.41, 100,378,902.65 and 25,956,834.75

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Solution

The fourth proportional to 66,945,280.41, 100,378,902.65 and 25,956,834.75 is: 38,920,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945,280.41 : 100,378,902.65 = 25,956,834.75 : x
  2. Step 2: Convert to fraction form
    66,945,280.41/100,378,902.65 = 25,956,834.75/x
  3. Step 3: Cross multiply
    66,945,280.41x = 100,378,902.65 × 25,956,834.75
  4. Step 4: Simplify right side
    66,945,280.41x = 2,605,518,588,342,603
  5. Step 5: Solve for x
    x = 2,605,518,588,342,603/66,945,280.41
  6. Step 6: Final answer
    x = 38,920,123.61

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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.