Home / 68,057,066.38-93,918,321.62-38,688,400.38

Finding the Fourth Proportional to 68,057,066.38, 93,918,321.62 and 38,688,400.38

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Solution

The fourth proportional to 68,057,066.38, 93,918,321.62 and 38,688,400.38 is: 53,389,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,057,066.38 : 93,918,321.62 = 38,688,400.38 : x
  2. Step 2: Convert to fraction form
    68,057,066.38/93,918,321.62 = 38,688,400.38/x
  3. Step 3: Cross multiply
    68,057,066.38x = 93,918,321.62 × 38,688,400.38
  4. Step 4: Simplify right side
    68,057,066.38x = 3,633,549,629,852,170.50
  5. Step 5: Solve for x
    x = 3,633,549,629,852,170.50/68,057,066.38
  6. Step 6: Final answer
    x = 53,389,748.09

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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.