Home / 66,498,227.54-91,717,054.27-57,221,343.71

Finding the Fourth Proportional to 66,498,227.54, 91,717,054.27 and 57,221,343.71

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Solution

The fourth proportional to 66,498,227.54, 91,717,054.27 and 57,221,343.71 is: 78,921,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498,227.54 : 91,717,054.27 = 57,221,343.71 : x
  2. Step 2: Convert to fraction form
    66,498,227.54/91,717,054.27 = 57,221,343.71/x
  3. Step 3: Cross multiply
    66,498,227.54x = 91,717,054.27 × 57,221,343.71
  4. Step 4: Simplify right side
    66,498,227.54x = 5,248,173,086,452,393
  5. Step 5: Solve for x
    x = 5,248,173,086,452,393/66,498,227.54
  6. Step 6: Final answer
    x = 78,921,999.59

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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.