Home / 66,044,170.10-98,982,274.35-31,891,978.10

Finding the Fourth Proportional to 66,044,170.10, 98,982,274.35 and 31,891,978.10

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Solution

The fourth proportional to 66,044,170.10, 98,982,274.35 and 31,891,978.10 is: 47,797,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044,170.10 : 98,982,274.35 = 31,891,978.10 : x
  2. Step 2: Convert to fraction form
    66,044,170.10/98,982,274.35 = 31,891,978.10/x
  3. Step 3: Cross multiply
    66,044,170.10x = 98,982,274.35 × 31,891,978.10
  4. Step 4: Simplify right side
    66,044,170.10x = 3,156,740,525,858,391.50
  5. Step 5: Solve for x
    x = 3,156,740,525,858,391.50/66,044,170.10
  6. Step 6: Final answer
    x = 47,797,413.78

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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.