Home / 154,524,808.80-231,818,317.20-45,349,768.80

Finding the Fourth Proportional to 154,524,808.80, 231,818,317.20 and 45,349,768.80

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Solution

The fourth proportional to 154,524,808.80, 231,818,317.20 and 45,349,768.80 is: 68,033,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,808.80 : 231,818,317.20 = 45,349,768.80 : x
  2. Step 2: Convert to fraction form
    154,524,808.80/231,818,317.20 = 45,349,768.80/x
  3. Step 3: Cross multiply
    154,524,808.80x = 231,818,317.20 × 45,349,768.80
  4. Step 4: Simplify right side
    154,524,808.80x = 10,512,907,088,625,062
  5. Step 5: Solve for x
    x = 10,512,907,088,625,062/154,524,808.80
  6. Step 6: Final answer
    x = 68,033,781.57

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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.