Home / 129,230,913.20-193,846,369.80-47,349,633.20

Finding the Fourth Proportional to 129,230,913.20, 193,846,369.80 and 47,349,633.20

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Solution

The fourth proportional to 129,230,913.20, 193,846,369.80 and 47,349,633.20 is: 71,024,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,230,913.20 : 193,846,369.80 = 47,349,633.20 : x
  2. Step 2: Convert to fraction form
    129,230,913.20/193,846,369.80 = 47,349,633.20/x
  3. Step 3: Cross multiply
    129,230,913.20x = 193,846,369.80 × 47,349,633.20
  4. Step 4: Simplify right side
    129,230,913.20x = 9,178,554,507,181,558
  5. Step 5: Solve for x
    x = 9,178,554,507,181,558/129,230,913.20
  6. Step 6: Final answer
    x = 71,024,449.80

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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.