Home / 79,945,834.41-119,900,622.72-36,197,712.51

Finding the Fourth Proportional to 79,945,834.41, 119,900,622.72 and 36,197,712.51

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Solution

The fourth proportional to 79,945,834.41, 119,900,622.72 and 36,197,712.51 is: 54,288,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945,834.41 : 119,900,622.72 = 36,197,712.51 : x
  2. Step 2: Convert to fraction form
    79,945,834.41/119,900,622.72 = 36,197,712.51/x
  3. Step 3: Cross multiply
    79,945,834.41x = 119,900,622.72 × 36,197,712.51
  4. Step 4: Simplify right side
    79,945,834.41x = 4,340,128,270,807,545.50
  5. Step 5: Solve for x
    x = 4,340,128,270,807,545.50/79,945,834.41
  6. Step 6: Final answer
    x = 54,288,360.40

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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.