Home / 155,416,003.20-233,061,019.20-53,127,388.80

Finding the Fourth Proportional to 155,416,003.20, 233,061,019.20 and 53,127,388.80

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Solution

The fourth proportional to 155,416,003.20, 233,061,019.20 and 53,127,388.80 is: 79,669,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,416,003.20 : 233,061,019.20 = 53,127,388.80 : x
  2. Step 2: Convert to fraction form
    155,416,003.20/233,061,019.20 = 53,127,388.80/x
  3. Step 3: Cross multiply
    155,416,003.20x = 233,061,019.20 × 53,127,388.80
  4. Step 4: Simplify right side
    155,416,003.20x = 12,381,923,381,162,664
  5. Step 5: Solve for x
    x = 12,381,923,381,162,664/155,416,003.20
  6. Step 6: Final answer
    x = 79,669,552.21

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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.