Home / 101,910,971.07-152,715,291.08-74,852,357.31

Finding the Fourth Proportional to 101,910,971.07, 152,715,291.08 and 74,852,357.31

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Solution

The fourth proportional to 101,910,971.07, 152,715,291.08 and 74,852,357.31 is: 112,167,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910,971.07 : 152,715,291.08 = 74,852,357.31 : x
  2. Step 2: Convert to fraction form
    101,910,971.07/152,715,291.08 = 74,852,357.31/x
  3. Step 3: Cross multiply
    101,910,971.07x = 152,715,291.08 × 74,852,357.31
  4. Step 4: Simplify right side
    101,910,971.07x = 11,431,099,534,246,554
  5. Step 5: Solve for x
    x = 11,431,099,534,246,554/101,910,971.07
  6. Step 6: Final answer
    x = 112,167,506.74

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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.