Home / 101,992,762.22-153,034,321.90-53,459,081.78

Finding the Fourth Proportional to 101,992,762.22, 153,034,321.90 and 53,459,081.78

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Solution

The fourth proportional to 101,992,762.22, 153,034,321.90 and 53,459,081.78 is: 80,212,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992,762.22 : 153,034,321.90 = 53,459,081.78 : x
  2. Step 2: Convert to fraction form
    101,992,762.22/153,034,321.90 = 53,459,081.78/x
  3. Step 3: Cross multiply
    101,992,762.22x = 153,034,321.90 × 53,459,081.78
  4. Step 4: Simplify right side
    101,992,762.22x = 8,181,074,329,598,945
  5. Step 5: Solve for x
    x = 8,181,074,329,598,945/101,992,762.22
  6. Step 6: Final answer
    x = 80,212,302.83

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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.