Home / 81,493,673.40-122,382,227.70-43,229,921.40

Finding the Fourth Proportional to 81,493,673.40, 122,382,227.70 and 43,229,921.40

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Solution

The fourth proportional to 81,493,673.40, 122,382,227.70 and 43,229,921.40 is: 64,920,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,493,673.40 : 122,382,227.70 = 43,229,921.40 : x
  2. Step 2: Convert to fraction form
    81,493,673.40/122,382,227.70 = 43,229,921.40/x
  3. Step 3: Cross multiply
    81,493,673.40x = 122,382,227.70 × 43,229,921.40
  4. Step 4: Simplify right side
    81,493,673.40x = 5,290,574,084,227,903
  5. Step 5: Solve for x
    x = 5,290,574,084,227,903/81,493,673.40
  6. Step 6: Final answer
    x = 64,920,058.99

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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.