Home / 66,050,709.60-99,091,810.80-31,944,007.20

Finding the Fourth Proportional to 66,050,709.60, 99,091,810.80 and 31,944,007.20

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Solution

The fourth proportional to 66,050,709.60, 99,091,810.80 and 31,944,007.20 is: 47,923,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050,709.60 : 99,091,810.80 = 31,944,007.20 : x
  2. Step 2: Convert to fraction form
    66,050,709.60/99,091,810.80 = 31,944,007.20/x
  3. Step 3: Cross multiply
    66,050,709.60x = 99,091,810.80 × 31,944,007.20
  4. Step 4: Simplify right side
    66,050,709.60x = 3,165,389,517,656,237.50
  5. Step 5: Solve for x
    x = 3,165,389,517,656,237.50/66,050,709.60
  6. Step 6: Final answer
    x = 47,923,626.21

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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.