Home / 160,397,137.94-221,348,475.51-87,058,279.94

Finding the Fourth Proportional to 160,397,137.94, 221,348,475.51 and 87,058,279.94

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Solution

The fourth proportional to 160,397,137.94, 221,348,475.51 and 87,058,279.94 is: 120,140,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,397,137.94 : 221,348,475.51 = 87,058,279.94 : x
  2. Step 2: Convert to fraction form
    160,397,137.94/221,348,475.51 = 87,058,279.94/x
  3. Step 3: Cross multiply
    160,397,137.94x = 221,348,475.51 × 87,058,279.94
  4. Step 4: Simplify right side
    160,397,137.94x = 19,270,217,545,241,812
  5. Step 5: Solve for x
    x = 19,270,217,545,241,812/160,397,137.94
  6. Step 6: Final answer
    x = 120,140,657.08

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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.