Home / 112,746,198.78-155,587,108.02-66,339,458.46

Finding the Fourth Proportional to 112,746,198.78, 155,587,108.02 and 66,339,458.46

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Solution

The fourth proportional to 112,746,198.78, 155,587,108.02 and 66,339,458.46 is: 91,546,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,198.78 : 155,587,108.02 = 66,339,458.46 : x
  2. Step 2: Convert to fraction form
    112,746,198.78/155,587,108.02 = 66,339,458.46/x
  3. Step 3: Cross multiply
    112,746,198.78x = 155,587,108.02 × 66,339,458.46
  4. Step 4: Simplify right side
    112,746,198.78x = 10,321,564,489,404,324
  5. Step 5: Solve for x
    x = 10,321,564,489,404,324/112,746,198.78
  6. Step 6: Final answer
    x = 91,546,895.60

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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.