Home / 71,286,413.46-98,555,160.30-52,672,194.90

Finding the Fourth Proportional to 71,286,413.46, 98,555,160.30 and 52,672,194.90

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Solution

The fourth proportional to 71,286,413.46, 98,555,160.30 and 52,672,194.90 is: 72,820,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286,413.46 : 98,555,160.30 = 52,672,194.90 : x
  2. Step 2: Convert to fraction form
    71,286,413.46/98,555,160.30 = 52,672,194.90/x
  3. Step 3: Cross multiply
    71,286,413.46x = 98,555,160.30 × 52,672,194.90
  4. Step 4: Simplify right side
    71,286,413.46x = 5,191,116,611,722,342
  5. Step 5: Solve for x
    x = 5,191,116,611,722,342/71,286,413.46
  6. Step 6: Final answer
    x = 72,820,560.89

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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.