Home / 30,348,439.80-45,522,659.70-27,159,793.80

Finding the Fourth Proportional to 30,348,439.80, 45,522,659.70 and 27,159,793.80

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Solution

The fourth proportional to 30,348,439.80, 45,522,659.70 and 27,159,793.80 is: 40,739,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,439.80 : 45,522,659.70 = 27,159,793.80 : x
  2. Step 2: Convert to fraction form
    30,348,439.80/45,522,659.70 = 27,159,793.80/x
  3. Step 3: Cross multiply
    30,348,439.80x = 45,522,659.70 × 27,159,793.80
  4. Step 4: Simplify right side
    30,348,439.80x = 1,236,386,050,679,570
  5. Step 5: Solve for x
    x = 1,236,386,050,679,570/30,348,439.80
  6. Step 6: Final answer
    x = 40,739,690.70

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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.