Home / 126,372,316.80-189,579,470.40-49,697,846.40

Finding the Fourth Proportional to 126,372,316.80, 189,579,470.40 and 49,697,846.40

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Solution

The fourth proportional to 126,372,316.80, 189,579,470.40 and 49,697,846.40 is: 74,555,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,316.80 : 189,579,470.40 = 49,697,846.40 : x
  2. Step 2: Convert to fraction form
    126,372,316.80/189,579,470.40 = 49,697,846.40/x
  3. Step 3: Cross multiply
    126,372,316.80x = 189,579,470.40 × 49,697,846.40
  4. Step 4: Simplify right side
    126,372,316.80x = 9,421,691,400,532,546
  5. Step 5: Solve for x
    x = 9,421,691,400,532,546/126,372,316.80
  6. Step 6: Final answer
    x = 74,555,026.28

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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.