Home / 112,746,131.38-155,587,015.03-66,339,391.06

Finding the Fourth Proportional to 112,746,131.38, 155,587,015.03 and 66,339,391.06

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Solution

The fourth proportional to 112,746,131.38, 155,587,015.03 and 66,339,391.06 is: 91,546,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,131.38 : 155,587,015.03 = 66,339,391.06 : x
  2. Step 2: Convert to fraction form
    112,746,131.38/155,587,015.03 = 66,339,391.06/x
  3. Step 3: Cross multiply
    112,746,131.38x = 155,587,015.03 × 66,339,391.06
  4. Step 4: Simplify right side
    112,746,131.38x = 10,321,547,832,823,636
  5. Step 5: Solve for x
    x = 10,321,547,832,823,636/112,746,131.38
  6. Step 6: Final answer
    x = 91,546,802.60

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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.