Home / 126,033,687.60-189,050,531.40-68,702,794.80

Finding the Fourth Proportional to 126,033,687.60, 189,050,531.40 and 68,702,794.80

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Solution

The fourth proportional to 126,033,687.60, 189,050,531.40 and 68,702,794.80 is: 103,054,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,033,687.60 : 189,050,531.40 = 68,702,794.80 : x
  2. Step 2: Convert to fraction form
    126,033,687.60/189,050,531.40 = 68,702,794.80/x
  3. Step 3: Cross multiply
    126,033,687.60x = 189,050,531.40 × 68,702,794.80
  4. Step 4: Simplify right side
    126,033,687.60x = 12,988,299,865,605,156
  5. Step 5: Solve for x
    x = 12,988,299,865,605,156/126,033,687.60
  6. Step 6: Final answer
    x = 103,054,192.20

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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.