Home / 90,956,674.54-136,420,358.91-25,379,508.70

Finding the Fourth Proportional to 90,956,674.54, 136,420,358.91 and 25,379,508.70

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Solution

The fourth proportional to 90,956,674.54, 136,420,358.91 and 25,379,508.70 is: 38,065,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956,674.54 : 136,420,358.91 = 25,379,508.70 : x
  2. Step 2: Convert to fraction form
    90,956,674.54/136,420,358.91 = 25,379,508.70/x
  3. Step 3: Cross multiply
    90,956,674.54x = 136,420,358.91 × 25,379,508.70
  4. Step 4: Simplify right side
    90,956,674.54x = 3,462,281,685,813,467.50
  5. Step 5: Solve for x
    x = 3,462,281,685,813,467.50/90,956,674.54
  6. Step 6: Final answer
    x = 38,065,174.47

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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.