Home / 51,399,169.94-70,919,380.37-30,480,572.70

Finding the Fourth Proportional to 51,399,169.94, 70,919,380.37 and 30,480,572.70

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Solution

The fourth proportional to 51,399,169.94, 70,919,380.37 and 30,480,572.70 is: 42,056,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,399,169.94 : 70,919,380.37 = 30,480,572.70 : x
  2. Step 2: Convert to fraction form
    51,399,169.94/70,919,380.37 = 30,480,572.70/x
  3. Step 3: Cross multiply
    51,399,169.94x = 70,919,380.37 × 30,480,572.70
  4. Step 4: Simplify right side
    51,399,169.94x = 2,161,663,329,206,738
  5. Step 5: Solve for x
    x = 2,161,663,329,206,738/51,399,169.94
  6. Step 6: Final answer
    x = 42,056,385.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.