Home / 48,298,000.20-72,447,000.30-43,520,425.80

Finding the Fourth Proportional to 48,298,000.20, 72,447,000.30 and 43,520,425.80

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Solution

The fourth proportional to 48,298,000.20, 72,447,000.30 and 43,520,425.80 is: 65,280,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298,000.20 : 72,447,000.30 = 43,520,425.80 : x
  2. Step 2: Convert to fraction form
    48,298,000.20/72,447,000.30 = 43,520,425.80/x
  3. Step 3: Cross multiply
    48,298,000.20x = 72,447,000.30 × 43,520,425.80
  4. Step 4: Simplify right side
    48,298,000.20x = 3,152,924,300,988,727.50
  5. Step 5: Solve for x
    x = 3,152,924,300,988,727.50/48,298,000.20
  6. Step 6: Final answer
    x = 65,280,638.70

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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.