Home / 115,653,339.30-159,600,119.94-66,093,144.66

Finding the Fourth Proportional to 115,653,339.30, 159,600,119.94 and 66,093,144.66

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Solution

The fourth proportional to 115,653,339.30, 159,600,119.94 and 66,093,144.66 is: 91,207,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,653,339.30 : 159,600,119.94 = 66,093,144.66 : x
  2. Step 2: Convert to fraction form
    115,653,339.30/159,600,119.94 = 66,093,144.66/x
  3. Step 3: Cross multiply
    115,653,339.30x = 159,600,119.94 × 66,093,144.66
  4. Step 4: Simplify right side
    115,653,339.30x = 10,548,473,814,947,770
  5. Step 5: Solve for x
    x = 10,548,473,814,947,770/115,653,339.30
  6. Step 6: Final answer
    x = 91,207,689.11

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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.