Home / 160,399,371.32-221,345,205.22-87,058,938.68

Finding the Fourth Proportional to 160,399,371.32, 221,345,205.22 and 87,058,938.68

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Solution

The fourth proportional to 160,399,371.32, 221,345,205.22 and 87,058,938.68 is: 120,138,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399,371.32 : 221,345,205.22 = 87,058,938.68 : x
  2. Step 2: Convert to fraction form
    160,399,371.32/221,345,205.22 = 87,058,938.68/x
  3. Step 3: Cross multiply
    160,399,371.32x = 221,345,205.22 × 87,058,938.68
  4. Step 4: Simplify right side
    160,399,371.32x = 19,270,078,648,359,996
  5. Step 5: Solve for x
    x = 19,270,078,648,359,996/160,399,371.32
  6. Step 6: Final answer
    x = 120,138,118.31

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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.