Home / 67,719,258,112.28-101,511,790,762.92-31,799,715,659.84

Finding the Fourth Proportional to 67,719,258,112.28, 101,511,790,762.92 and 31,799,715,659.84

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Solution

The fourth proportional to 67,719,258,112.28, 101,511,790,762.92 and 31,799,715,659.84 is: 47,668,066,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719,258,112.28 : 101,511,790,762.92 = 31,799,715,659.84 : x
  2. Step 2: Convert to fraction form
    67,719,258,112.28/101,511,790,762.92 = 31,799,715,659.84/x
  3. Step 3: Cross multiply
    67,719,258,112.28x = 101,511,790,762.92 × 31,799,715,659.84
  4. Step 4: Simplify right side
    67,719,258,112.28x = 3,228,046,082,382,028,603,392
  5. Step 5: Solve for x
    x = 3,228,046,082,382,028,603,392/67,719,258,112.28
  6. Step 6: Final answer
    x = 47,668,066,254.21

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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.