Home / 104,503,221.40-156,736,169.70-66,096,002.20

Finding the Fourth Proportional to 104,503,221.40, 156,736,169.70 and 66,096,002.20

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Solution

The fourth proportional to 104,503,221.40, 156,736,169.70 and 66,096,002.20 is: 99,132,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,503,221.40 : 156,736,169.70 = 66,096,002.20 : x
  2. Step 2: Convert to fraction form
    104,503,221.40/156,736,169.70 = 66,096,002.20/x
  3. Step 3: Cross multiply
    104,503,221.40x = 156,736,169.70 × 66,096,002.20
  4. Step 4: Simplify right side
    104,503,221.40x = 10,359,634,217,310,774
  5. Step 5: Solve for x
    x = 10,359,634,217,310,774/104,503,221.40
  6. Step 6: Final answer
    x = 99,132,199.74

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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.