Home / 101,992,763.22-153,034,323.40-53,459,082.78

Finding the Fourth Proportional to 101,992,763.22, 153,034,323.40 and 53,459,082.78

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Solution

The fourth proportional to 101,992,763.22, 153,034,323.40 and 53,459,082.78 is: 80,212,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992,763.22 : 153,034,323.40 = 53,459,082.78 : x
  2. Step 2: Convert to fraction form
    101,992,763.22/153,034,323.40 = 53,459,082.78/x
  3. Step 3: Cross multiply
    101,992,763.22x = 153,034,323.40 × 53,459,082.78
  4. Step 4: Simplify right side
    101,992,763.22x = 8,181,074,562,821,892
  5. Step 5: Solve for x
    x = 8,181,074,562,821,892/101,992,763.22
  6. Step 6: Final answer
    x = 80,212,304.33

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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.