Home / 47,507,205.60-71,260,808.40-40,704,760.80

Finding the Fourth Proportional to 47,507,205.60, 71,260,808.40 and 40,704,760.80

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Solution

The fourth proportional to 47,507,205.60, 71,260,808.40 and 40,704,760.80 is: 61,057,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,507,205.60 : 71,260,808.40 = 40,704,760.80 : x
  2. Step 2: Convert to fraction form
    47,507,205.60/71,260,808.40 = 40,704,760.80/x
  3. Step 3: Cross multiply
    47,507,205.60x = 71,260,808.40 × 40,704,760.80
  4. Step 4: Simplify right side
    47,507,205.60x = 2,900,654,160,336,631
  5. Step 5: Solve for x
    x = 2,900,654,160,336,631/47,507,205.60
  6. Step 6: Final answer
    x = 61,057,141.20

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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.