Home / 48,360,000.80-72,540,001.20-45,588,634.40

Finding the Fourth Proportional to 48,360,000.80, 72,540,001.20 and 45,588,634.40

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Solution

The fourth proportional to 48,360,000.80, 72,540,001.20 and 45,588,634.40 is: 68,382,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,360,000.80 : 72,540,001.20 = 45,588,634.40 : x
  2. Step 2: Convert to fraction form
    48,360,000.80/72,540,001.20 = 45,588,634.40/x
  3. Step 3: Cross multiply
    48,360,000.80x = 72,540,001.20 × 45,588,634.40
  4. Step 4: Simplify right side
    48,360,000.80x = 3,306,999,594,082,361.50
  5. Step 5: Solve for x
    x = 3,306,999,594,082,361.50/48,360,000.80
  6. Step 6: Final answer
    x = 68,382,951.60

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Similar ratio
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1.5x scale

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.