Home / 160,401,679.28-221,348,401.08-87,061,246.64

Finding the Fourth Proportional to 160,401,679.28, 221,348,401.08 and 87,061,246.64

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Solution

The fourth proportional to 160,401,679.28, 221,348,401.08 and 87,061,246.64 is: 120,141,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,401,679.28 : 221,348,401.08 = 87,061,246.64 : x
  2. Step 2: Convert to fraction form
    160,401,679.28/221,348,401.08 = 87,061,246.64/x
  3. Step 3: Cross multiply
    160,401,679.28x = 221,348,401.08 × 87,061,246.64
  4. Step 4: Simplify right side
    160,401,679.28x = 19,270,867,739,795,524
  5. Step 5: Solve for x
    x = 19,270,867,739,795,524/160,401,679.28
  6. Step 6: Final answer
    x = 120,141,309.16

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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.