Home / 100,821,617.40-151,232,426.10-49,728,113.40

Finding the Fourth Proportional to 100,821,617.40, 151,232,426.10 and 49,728,113.40

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Solution

The fourth proportional to 100,821,617.40, 151,232,426.10 and 49,728,113.40 is: 74,592,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821,617.40 : 151,232,426.10 = 49,728,113.40 : x
  2. Step 2: Convert to fraction form
    100,821,617.40/151,232,426.10 = 49,728,113.40/x
  3. Step 3: Cross multiply
    100,821,617.40x = 151,232,426.10 × 49,728,113.40
  4. Step 4: Simplify right side
    100,821,617.40x = 7,520,503,234,857,919
  5. Step 5: Solve for x
    x = 7,520,503,234,857,919/100,821,617.40
  6. Step 6: Final answer
    x = 74,592,170.10

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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.