Home / 112,746,189.25-155,587,094.89-66,339,448.93

Finding the Fourth Proportional to 112,746,189.25, 155,587,094.89 and 66,339,448.93

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Solution

The fourth proportional to 112,746,189.25, 155,587,094.89 and 66,339,448.93 is: 91,546,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,189.25 : 155,587,094.89 = 66,339,448.93 : x
  2. Step 2: Convert to fraction form
    112,746,189.25/155,587,094.89 = 66,339,448.93/x
  3. Step 3: Cross multiply
    112,746,189.25x = 155,587,094.89 × 66,339,448.93
  4. Step 4: Simplify right side
    112,746,189.25x = 10,321,562,135,622,218
  5. Step 5: Solve for x
    x = 10,321,562,135,622,218/112,746,189.25
  6. Step 6: Final answer
    x = 91,546,882.46

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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.