Home / 47,965,398.30-66,213,866.07-30,585,105.18

Finding the Fourth Proportional to 47,965,398.30, 66,213,866.07 and 30,585,105.18

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Solution

The fourth proportional to 47,965,398.30, 66,213,866.07 and 30,585,105.18 is: 42,221,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965,398.30 : 66,213,866.07 = 30,585,105.18 : x
  2. Step 2: Convert to fraction form
    47,965,398.30/66,213,866.07 = 30,585,105.18/x
  3. Step 3: Cross multiply
    47,965,398.30x = 66,213,866.07 × 30,585,105.18
  4. Step 4: Simplify right side
    47,965,398.30x = 2,025,158,058,125,383.25
  5. Step 5: Solve for x
    x = 2,025,158,058,125,383.25/47,965,398.30
  6. Step 6: Final answer
    x = 42,221,228.84

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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.