Home / 126,048,559.40-189,072,839.10-107,908,706.60

Finding the Fourth Proportional to 126,048,559.40, 189,072,839.10 and 107,908,706.60

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Solution

The fourth proportional to 126,048,559.40, 189,072,839.10 and 107,908,706.60 is: 161,863,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,559.40 : 189,072,839.10 = 107,908,706.60 : x
  2. Step 2: Convert to fraction form
    126,048,559.40/189,072,839.10 = 107,908,706.60/x
  3. Step 3: Cross multiply
    126,048,559.40x = 189,072,839.10 × 107,908,706.60
  4. Step 4: Simplify right side
    126,048,559.40x = 20,402,605,520,470,908
  5. Step 5: Solve for x
    x = 20,402,605,520,470,908/126,048,559.40
  6. Step 6: Final answer
    x = 161,863,059.90

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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.