Home / 66,883,618.80-100,325,428.20-56,679,951.60

Finding the Fourth Proportional to 66,883,618.80, 100,325,428.20 and 56,679,951.60

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Solution

The fourth proportional to 66,883,618.80, 100,325,428.20 and 56,679,951.60 is: 85,019,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883,618.80 : 100,325,428.20 = 56,679,951.60 : x
  2. Step 2: Convert to fraction form
    66,883,618.80/100,325,428.20 = 56,679,951.60/x
  3. Step 3: Cross multiply
    66,883,618.80x = 100,325,428.20 × 56,679,951.60
  4. Step 4: Simplify right side
    66,883,618.80x = 5,686,440,414,625,275
  5. Step 5: Solve for x
    x = 5,686,440,414,625,275/66,883,618.80
  6. Step 6: Final answer
    x = 85,019,927.40

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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.