Home / 112,746,215.25-155,587,130.78-66,339,474.93

Finding the Fourth Proportional to 112,746,215.25, 155,587,130.78 and 66,339,474.93

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Solution

The fourth proportional to 112,746,215.25, 155,587,130.78 and 66,339,474.93 is: 91,546,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,215.25 : 155,587,130.78 = 66,339,474.93 : x
  2. Step 2: Convert to fraction form
    112,746,215.25/155,587,130.78 = 66,339,474.93/x
  3. Step 3: Cross multiply
    112,746,215.25x = 155,587,130.78 × 66,339,474.93
  4. Step 4: Simplify right side
    112,746,215.25x = 10,321,568,561,478,744
  5. Step 5: Solve for x
    x = 10,321,568,561,478,744/112,746,215.25
  6. Step 6: Final answer
    x = 91,546,918.35

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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.