Home / 47,261,011.60-70,891,517.40-30,240,902.80

Finding the Fourth Proportional to 47,261,011.60, 70,891,517.40 and 30,240,902.80

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Solution

The fourth proportional to 47,261,011.60, 70,891,517.40 and 30,240,902.80 is: 45,361,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261,011.60 : 70,891,517.40 = 30,240,902.80 : x
  2. Step 2: Convert to fraction form
    47,261,011.60/70,891,517.40 = 30,240,902.80/x
  3. Step 3: Cross multiply
    47,261,011.60x = 70,891,517.40 × 30,240,902.80
  4. Step 4: Simplify right side
    47,261,011.60x = 2,143,823,487,037,909
  5. Step 5: Solve for x
    x = 2,143,823,487,037,909/47,261,011.60
  6. Step 6: Final answer
    x = 45,361,354.20

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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.