Home / 94,713,842.85-130,633,081.13-81,505,282.76

Finding the Fourth Proportional to 94,713,842.85, 130,633,081.13 and 81,505,282.76

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Solution

The fourth proportional to 94,713,842.85, 130,633,081.13 and 81,505,282.76 is: 112,415,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,713,842.85 : 130,633,081.13 = 81,505,282.76 : x
  2. Step 2: Convert to fraction form
    94,713,842.85/130,633,081.13 = 81,505,282.76/x
  3. Step 3: Cross multiply
    94,713,842.85x = 130,633,081.13 × 81,505,282.76
  4. Step 4: Simplify right side
    94,713,842.85x = 10,647,286,215,293,274
  5. Step 5: Solve for x
    x = 10,647,286,215,293,274/94,713,842.85
  6. Step 6: Final answer
    x = 112,415,312.22

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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.