Home / 120,292,410.65-165,975,074.76-68,081,446.29

Finding the Fourth Proportional to 120,292,410.65, 165,975,074.76 and 68,081,446.29

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Solution

The fourth proportional to 120,292,410.65, 165,975,074.76 and 68,081,446.29 is: 93,936,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,292,410.65 : 165,975,074.76 = 68,081,446.29 : x
  2. Step 2: Convert to fraction form
    120,292,410.65/165,975,074.76 = 68,081,446.29/x
  3. Step 3: Cross multiply
    120,292,410.65x = 165,975,074.76 × 68,081,446.29
  4. Step 4: Simplify right side
    120,292,410.65x = 11,299,823,137,411,268
  5. Step 5: Solve for x
    x = 11,299,823,137,411,268/120,292,410.65
  6. Step 6: Final answer
    x = 93,936,293.04

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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.