Home / 56,850,116.93-78,453,397.78-30,744,634.68

Finding the Fourth Proportional to 56,850,116.93, 78,453,397.78 and 30,744,634.68

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Solution

The fourth proportional to 56,850,116.93, 78,453,397.78 and 30,744,634.68 is: 42,427,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,116.93 : 78,453,397.78 = 30,744,634.68 : x
  2. Step 2: Convert to fraction form
    56,850,116.93/78,453,397.78 = 30,744,634.68/x
  3. Step 3: Cross multiply
    56,850,116.93x = 78,453,397.78 × 30,744,634.68
  4. Step 4: Simplify right side
    56,850,116.93x = 2,412,021,054,150,823
  5. Step 5: Solve for x
    x = 2,412,021,054,150,823/56,850,116.93
  6. Step 6: Final answer
    x = 42,427,723.71

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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.