Home / 193,140,019.40-289,710,029.10-171,640,934.60

Finding the Fourth Proportional to 193,140,019.40, 289,710,029.10 and 171,640,934.60

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Solution

The fourth proportional to 193,140,019.40, 289,710,029.10 and 171,640,934.60 is: 257,461,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,140,019.40 : 289,710,029.10 = 171,640,934.60 : x
  2. Step 2: Convert to fraction form
    193,140,019.40/289,710,029.10 = 171,640,934.60/x
  3. Step 3: Cross multiply
    193,140,019.40x = 289,710,029.10 × 171,640,934.60
  4. Step 4: Simplify right side
    193,140,019.40x = 49,726,100,157,717,200
  5. Step 5: Solve for x
    x = 49,726,100,157,717,200/193,140,019.40
  6. Step 6: Final answer
    x = 257,461,401.90

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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.