Home / 168,108,546.60-252,210,059.10-81,849,767.40

Finding the Fourth Proportional to 168,108,546.60, 252,210,059.10 and 81,849,767.40

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Solution

The fourth proportional to 168,108,546.60, 252,210,059.10 and 81,849,767.40 is: 122,797,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,108,546.60 : 252,210,059.10 = 81,849,767.40 : x
  2. Step 2: Convert to fraction form
    168,108,546.60/252,210,059.10 = 81,849,767.40/x
  3. Step 3: Cross multiply
    168,108,546.60x = 252,210,059.10 × 81,849,767.40
  4. Step 4: Simplify right side
    168,108,546.60x = 20,643,334,673,275,256
  5. Step 5: Solve for x
    x = 20,643,334,673,275,256/168,108,546.60
  6. Step 6: Final answer
    x = 122,797,651.22

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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.