Home / 217,314,432-299,936,517.12-124,557,110.40

Finding the Fourth Proportional to 217,314,432, 299,936,517.12 and 124,557,110.40

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Solution

The fourth proportional to 217,314,432, 299,936,517.12 and 124,557,110.40 is: 171,913,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314,432 : 299,936,517.12 = 124,557,110.40 : x
  2. Step 2: Convert to fraction form
    217,314,432/299,936,517.12 = 124,557,110.40/x
  3. Step 3: Cross multiply
    217,314,432x = 299,936,517.12 × 124,557,110.40
  4. Step 4: Simplify right side
    217,314,432x = 37,359,225,875,907,336
  5. Step 5: Solve for x
    x = 37,359,225,875,907,336/217,314,432
  6. Step 6: Final answer
    x = 171,913,229.75

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1.5x scale

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.