Home / 127,904,087.80-191,814,141.30-47,114,558.20

Finding the Fourth Proportional to 127,904,087.80, 191,814,141.30 and 47,114,558.20

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Solution

The fourth proportional to 127,904,087.80, 191,814,141.30 and 47,114,558.20 is: 70,656,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904,087.80 : 191,814,141.30 = 47,114,558.20 : x
  2. Step 2: Convert to fraction form
    127,904,087.80/191,814,141.30 = 47,114,558.20/x
  3. Step 3: Cross multiply
    127,904,087.80x = 191,814,141.30 × 47,114,558.20
  4. Step 4: Simplify right side
    127,904,087.80x = 9,037,238,523,861,874
  5. Step 5: Solve for x
    x = 9,037,238,523,861,874/127,904,087.80
  6. Step 6: Final answer
    x = 70,656,369.78

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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.