Home / 126,153,847.20-189,266,200.20-61,459,762.80

Finding the Fourth Proportional to 126,153,847.20, 189,266,200.20 and 61,459,762.80

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Solution

The fourth proportional to 126,153,847.20, 189,266,200.20 and 61,459,762.80 is: 92,206,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,153,847.20 : 189,266,200.20 = 61,459,762.80 : x
  2. Step 2: Convert to fraction form
    126,153,847.20/189,266,200.20 = 61,459,762.80/x
  3. Step 3: Cross multiply
    126,153,847.20x = 189,266,200.20 × 61,459,762.80
  4. Step 4: Simplify right side
    126,153,847.20x = 11,632,255,770,349,312
  5. Step 5: Solve for x
    x = 11,632,255,770,349,312/126,153,847.20
  6. Step 6: Final answer
    x = 92,206,904.73

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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.