Home / 152,043,353.30-209,827,974.38-85,058,315.47

Finding the Fourth Proportional to 152,043,353.30, 209,827,974.38 and 85,058,315.47

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Solution

The fourth proportional to 152,043,353.30, 209,827,974.38 and 85,058,315.47 is: 117,385,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,043,353.30 : 209,827,974.38 = 85,058,315.47 : x
  2. Step 2: Convert to fraction form
    152,043,353.30/209,827,974.38 = 85,058,315.47/x
  3. Step 3: Cross multiply
    152,043,353.30x = 209,827,974.38 × 85,058,315.47
  4. Step 4: Simplify right side
    152,043,353.30x = 17,847,614,037,770,686
  5. Step 5: Solve for x
    x = 17,847,614,037,770,686/152,043,353.30
  6. Step 6: Final answer
    x = 117,385,032.96

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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.