Home / 71,286,409.85-98,555,155.31-52,672,191.28

Finding the Fourth Proportional to 71,286,409.85, 98,555,155.31 and 52,672,191.28

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Solution

The fourth proportional to 71,286,409.85, 98,555,155.31 and 52,672,191.28 is: 72,820,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286,409.85 : 98,555,155.31 = 52,672,191.28 : x
  2. Step 2: Convert to fraction form
    71,286,409.85/98,555,155.31 = 52,672,191.28/x
  3. Step 3: Cross multiply
    71,286,409.85x = 98,555,155.31 × 52,672,191.28
  4. Step 4: Simplify right side
    71,286,409.85x = 5,191,115,991,608,680
  5. Step 5: Solve for x
    x = 5,191,115,991,608,680/71,286,409.85
  6. Step 6: Final answer
    x = 72,820,555.88

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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.