Home / 77,893,772.82-107,492,079.51-43,086,434.82

Finding the Fourth Proportional to 77,893,772.82, 107,492,079.51 and 43,086,434.82

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Solution

The fourth proportional to 77,893,772.82, 107,492,079.51 and 43,086,434.82 is: 59,458,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,893,772.82 : 107,492,079.51 = 43,086,434.82 : x
  2. Step 2: Convert to fraction form
    77,893,772.82/107,492,079.51 = 43,086,434.82/x
  3. Step 3: Cross multiply
    77,893,772.82x = 107,492,079.51 × 43,086,434.82
  4. Step 4: Simplify right side
    77,893,772.82x = 4,631,450,477,473,873
  5. Step 5: Solve for x
    x = 4,631,450,477,473,873/77,893,772.82
  6. Step 6: Final answer
    x = 59,458,546.04

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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.