Home / 47,074,921.20-70,612,381.80-16,783,772.40

Finding the Fourth Proportional to 47,074,921.20, 70,612,381.80 and 16,783,772.40

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Solution

The fourth proportional to 47,074,921.20, 70,612,381.80 and 16,783,772.40 is: 25,175,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,074,921.20 : 70,612,381.80 = 16,783,772.40 : x
  2. Step 2: Convert to fraction form
    47,074,921.20/70,612,381.80 = 16,783,772.40/x
  3. Step 3: Cross multiply
    47,074,921.20x = 70,612,381.80 × 16,783,772.40
  4. Step 4: Simplify right side
    47,074,921.20x = 1,185,142,144,753,102.25
  5. Step 5: Solve for x
    x = 1,185,142,144,753,102.25/47,074,921.20
  6. Step 6: Final answer
    x = 25,175,658.60

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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.