Home / 202,301,863.41-279,176,568.81-109,482,371.25

Finding the Fourth Proportional to 202,301,863.41, 279,176,568.81 and 109,482,371.25

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Solution

The fourth proportional to 202,301,863.41, 279,176,568.81 and 109,482,371.25 is: 151,085,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,301,863.41 : 279,176,568.81 = 109,482,371.25 : x
  2. Step 2: Convert to fraction form
    202,301,863.41/279,176,568.81 = 109,482,371.25/x
  3. Step 3: Cross multiply
    202,301,863.41x = 279,176,568.81 × 109,482,371.25
  4. Step 4: Simplify right side
    202,301,863.41x = 30,564,912,750,478,240
  5. Step 5: Solve for x
    x = 30,564,912,750,478,240/202,301,863.41
  6. Step 6: Final answer
    x = 151,085,670.87

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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.