Home / 66,433,705.20-99,650,557.80-49,215,016.80

Finding the Fourth Proportional to 66,433,705.20, 99,650,557.80 and 49,215,016.80

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Solution

The fourth proportional to 66,433,705.20, 99,650,557.80 and 49,215,016.80 is: 73,822,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,705.20 : 99,650,557.80 = 49,215,016.80 : x
  2. Step 2: Convert to fraction form
    66,433,705.20/99,650,557.80 = 49,215,016.80/x
  3. Step 3: Cross multiply
    66,433,705.20x = 99,650,557.80 × 49,215,016.80
  4. Step 4: Simplify right side
    66,433,705.20x = 4,904,303,876,256,371
  5. Step 5: Solve for x
    x = 4,904,303,876,256,371/66,433,705.20
  6. Step 6: Final answer
    x = 73,822,525.20

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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.