Home / 105,257,081.45-157,577,747.22-61,403,751.11

Finding the Fourth Proportional to 105,257,081.45, 157,577,747.22 and 61,403,751.11

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Solution

The fourth proportional to 105,257,081.45, 157,577,747.22 and 61,403,751.11 is: 91,926,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,257,081.45 : 157,577,747.22 = 61,403,751.11 : x
  2. Step 2: Convert to fraction form
    105,257,081.45/157,577,747.22 = 61,403,751.11/x
  3. Step 3: Cross multiply
    105,257,081.45x = 157,577,747.22 × 61,403,751.11
  4. Step 4: Simplify right side
    105,257,081.45x = 9,675,864,769,983,486
  5. Step 5: Solve for x
    x = 9,675,864,769,983,486/105,257,081.45
  6. Step 6: Final answer
    x = 91,926,021.86

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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.