Home / 80,120,492.20-120,180,738.30-28,984,058.20

Finding the Fourth Proportional to 80,120,492.20, 120,180,738.30 and 28,984,058.20

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Solution

The fourth proportional to 80,120,492.20, 120,180,738.30 and 28,984,058.20 is: 43,476,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120,492.20 : 120,180,738.30 = 28,984,058.20 : x
  2. Step 2: Convert to fraction form
    80,120,492.20/120,180,738.30 = 28,984,058.20/x
  3. Step 3: Cross multiply
    80,120,492.20x = 120,180,738.30 × 28,984,058.20
  4. Step 4: Simplify right side
    80,120,492.20x = 3,483,325,513,406,169
  5. Step 5: Solve for x
    x = 3,483,325,513,406,169/80,120,492.20
  6. Step 6: Final answer
    x = 43,476,087.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.