Home / 110,576,113.20-165,938,819.40-72,144,010.80

Finding the Fourth Proportional to 110,576,113.20, 165,938,819.40 and 72,144,010.80

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Solution

The fourth proportional to 110,576,113.20, 165,938,819.40 and 72,144,010.80 is: 108,264,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,576,113.20 : 165,938,819.40 = 72,144,010.80 : x
  2. Step 2: Convert to fraction form
    110,576,113.20/165,938,819.40 = 72,144,010.80/x
  3. Step 3: Cross multiply
    110,576,113.20x = 165,938,819.40 × 72,144,010.80
  4. Step 4: Simplify right side
    110,576,113.20x = 11,971,491,978,932,850
  5. Step 5: Solve for x
    x = 11,971,491,978,932,850/110,576,113.20
  6. Step 6: Final answer
    x = 108,264,720.40

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1.5x scale

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.