Home / 235,391,555.80-324,885,319.50-155,866,350.88

Finding the Fourth Proportional to 235,391,555.80, 324,885,319.50 and 155,866,350.88

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Solution

The fourth proportional to 235,391,555.80, 324,885,319.50 and 155,866,350.88 is: 215,125,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,391,555.80 : 324,885,319.50 = 155,866,350.88 : x
  2. Step 2: Convert to fraction form
    235,391,555.80/324,885,319.50 = 155,866,350.88/x
  3. Step 3: Cross multiply
    235,391,555.80x = 324,885,319.50 × 155,866,350.88
  4. Step 4: Simplify right side
    235,391,555.80x = 50,638,689,204,947,904
  5. Step 5: Solve for x
    x = 50,638,689,204,947,904/235,391,555.80
  6. Step 6: Final answer
    x = 215,125,343.10

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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.