Home / 47,969,423.84-66,167,329.38-31,450,619.36

Finding the Fourth Proportional to 47,969,423.84, 66,167,329.38 and 31,450,619.36

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Solution

The fourth proportional to 47,969,423.84, 66,167,329.38 and 31,450,619.36 is: 43,381,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969,423.84 : 66,167,329.38 = 31,450,619.36 : x
  2. Step 2: Convert to fraction form
    47,969,423.84/66,167,329.38 = 31,450,619.36/x
  3. Step 3: Cross multiply
    47,969,423.84x = 66,167,329.38 × 31,450,619.36
  4. Step 4: Simplify right side
    47,969,423.84x = 2,081,003,490,398,124.75
  5. Step 5: Solve for x
    x = 2,081,003,490,398,124.75/47,969,423.84
  6. Step 6: Final answer
    x = 43,381,873.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.