Home / 70,659,815.40-105,989,723.10-38,327,207.40

Finding the Fourth Proportional to 70,659,815.40, 105,989,723.10 and 38,327,207.40

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Solution

The fourth proportional to 70,659,815.40, 105,989,723.10 and 38,327,207.40 is: 57,490,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659,815.40 : 105,989,723.10 = 38,327,207.40 : x
  2. Step 2: Convert to fraction form
    70,659,815.40/105,989,723.10 = 38,327,207.40/x
  3. Step 3: Cross multiply
    70,659,815.40x = 105,989,723.10 × 38,327,207.40
  4. Step 4: Simplify right side
    70,659,815.40x = 4,062,290,099,522,270.50
  5. Step 5: Solve for x
    x = 4,062,290,099,522,270.50/70,659,815.40
  6. Step 6: Final answer
    x = 57,490,811.10

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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.