Home / 220,176,235.40-330,180,372.30-66,771,307.40

Finding the Fourth Proportional to 220,176,235.40, 330,180,372.30 and 66,771,307.40

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Solution

The fourth proportional to 220,176,235.40, 330,180,372.30 and 66,771,307.40 is: 100,131,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,176,235.40 : 330,180,372.30 = 66,771,307.40 : x
  2. Step 2: Convert to fraction form
    220,176,235.40/330,180,372.30 = 66,771,307.40/x
  3. Step 3: Cross multiply
    220,176,235.40x = 330,180,372.30 × 66,771,307.40
  4. Step 4: Simplify right side
    220,176,235.40x = 22,046,575,136,289,744
  5. Step 5: Solve for x
    x = 22,046,575,136,289,744/220,176,235.40
  6. Step 6: Final answer
    x = 100,131,492.83

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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.