Home / 144,970,417.85-200,059,209.45-79,780,321.85

Finding the Fourth Proportional to 144,970,417.85, 200,059,209.45 and 79,780,321.85

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Solution

The fourth proportional to 144,970,417.85, 200,059,209.45 and 79,780,321.85 is: 110,096,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,417.85 : 200,059,209.45 = 79,780,321.85 : x
  2. Step 2: Convert to fraction form
    144,970,417.85/200,059,209.45 = 79,780,321.85/x
  3. Step 3: Cross multiply
    144,970,417.85x = 200,059,209.45 × 79,780,321.85
  4. Step 4: Simplify right side
    144,970,417.85x = 15,960,788,117,977,264
  5. Step 5: Solve for x
    x = 15,960,788,117,977,264/144,970,417.85
  6. Step 6: Final answer
    x = 110,096,862.21

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1.5x scale

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.