Home / 209,696,171.75-314,544,248.51-199,210,540.13

Finding the Fourth Proportional to 209,696,171.75, 314,544,248.51 and 199,210,540.13

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Solution

The fourth proportional to 209,696,171.75, 314,544,248.51 and 199,210,540.13 is: 298,815,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,696,171.75 : 314,544,248.51 = 199,210,540.13 : x
  2. Step 2: Convert to fraction form
    209,696,171.75/314,544,248.51 = 199,210,540.13/x
  3. Step 3: Cross multiply
    209,696,171.75x = 314,544,248.51 × 199,210,540.13
  4. Step 4: Simplify right side
    209,696,171.75x = 62,660,529,637,893,272
  5. Step 5: Solve for x
    x = 62,660,529,637,893,272/209,696,171.75
  6. Step 6: Final answer
    x = 298,815,801.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.