Home / 154,518,462.80-231,808,798.20-45,343,422.80

Finding the Fourth Proportional to 154,518,462.80, 231,808,798.20 and 45,343,422.80

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Solution

The fourth proportional to 154,518,462.80, 231,808,798.20 and 45,343,422.80 is: 68,024,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,518,462.80 : 231,808,798.20 = 45,343,422.80 : x
  2. Step 2: Convert to fraction form
    154,518,462.80/231,808,798.20 = 45,343,422.80/x
  3. Step 3: Cross multiply
    154,518,462.80x = 231,808,798.20 × 45,343,422.80
  4. Step 4: Simplify right side
    154,518,462.80x = 10,511,004,345,542,478
  5. Step 5: Solve for x
    x = 10,511,004,345,542,478/154,518,462.80
  6. Step 6: Final answer
    x = 68,024,261.66

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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.