Home / 79,680,315.79-109,959,063.57-46,196,302.11

Finding the Fourth Proportional to 79,680,315.79, 109,959,063.57 and 46,196,302.11

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Solution

The fourth proportional to 79,680,315.79, 109,959,063.57 and 46,196,302.11 is: 63,751,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680,315.79 : 109,959,063.57 = 46,196,302.11 : x
  2. Step 2: Convert to fraction form
    79,680,315.79/109,959,063.57 = 46,196,302.11/x
  3. Step 3: Cross multiply
    79,680,315.79x = 109,959,063.57 × 46,196,302.11
  4. Step 4: Simplify right side
    79,680,315.79x = 5,079,702,120,412,415
  5. Step 5: Solve for x
    x = 5,079,702,120,412,415/79,680,315.79
  6. Step 6: Final answer
    x = 63,751,028.97

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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.