Home / 126,329,657.40-189,494,486.10-107,835,510.60

Finding the Fourth Proportional to 126,329,657.40, 189,494,486.10 and 107,835,510.60

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Solution

The fourth proportional to 126,329,657.40, 189,494,486.10 and 107,835,510.60 is: 161,753,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329,657.40 : 189,494,486.10 = 107,835,510.60 : x
  2. Step 2: Convert to fraction form
    126,329,657.40/189,494,486.10 = 107,835,510.60/x
  3. Step 3: Cross multiply
    126,329,657.40x = 189,494,486.10 × 107,835,510.60
  4. Step 4: Simplify right side
    126,329,657.40x = 20,434,234,664,478,100
  5. Step 5: Solve for x
    x = 20,434,234,664,478,100/126,329,657.40
  6. Step 6: Final answer
    x = 161,753,265.90

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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.