Home / 193,103,721.60-289,655,582.40-191,760,028.80

Finding the Fourth Proportional to 193,103,721.60, 289,655,582.40 and 191,760,028.80

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Solution

The fourth proportional to 193,103,721.60, 289,655,582.40 and 191,760,028.80 is: 287,640,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,103,721.60 : 289,655,582.40 = 191,760,028.80 : x
  2. Step 2: Convert to fraction form
    193,103,721.60/289,655,582.40 = 191,760,028.80/x
  3. Step 3: Cross multiply
    193,103,721.60x = 289,655,582.40 × 191,760,028.80
  4. Step 4: Simplify right side
    193,103,721.60x = 55,544,362,823,104,776
  5. Step 5: Solve for x
    x = 55,544,362,823,104,776/193,103,721.60
  6. Step 6: Final answer
    x = 287,640,043.20

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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.