Home / 126,027,803.70-189,041,705.55-49,325,339.70

Finding the Fourth Proportional to 126,027,803.70, 189,041,705.55 and 49,325,339.70

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Solution

The fourth proportional to 126,027,803.70, 189,041,705.55 and 49,325,339.70 is: 73,988,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,803.70 : 189,041,705.55 = 49,325,339.70 : x
  2. Step 2: Convert to fraction form
    126,027,803.70/189,041,705.55 = 49,325,339.70/x
  3. Step 3: Cross multiply
    126,027,803.70x = 189,041,705.55 × 49,325,339.70
  4. Step 4: Simplify right side
    126,027,803.70x = 9,324,546,343,721,126
  5. Step 5: Solve for x
    x = 9,324,546,343,721,126/126,027,803.70
  6. Step 6: Final answer
    x = 73,988,009.55

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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.