Home / 193,138,019.60-289,707,029.40-91,101,347.60

Finding the Fourth Proportional to 193,138,019.60, 289,707,029.40 and 91,101,347.60

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Solution

The fourth proportional to 193,138,019.60, 289,707,029.40 and 91,101,347.60 is: 136,652,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,138,019.60 : 289,707,029.40 = 91,101,347.60 : x
  2. Step 2: Convert to fraction form
    193,138,019.60/289,707,029.40 = 91,101,347.60/x
  3. Step 3: Cross multiply
    193,138,019.60x = 289,707,029.40 × 91,101,347.60
  4. Step 4: Simplify right side
    193,138,019.60x = 26,392,700,787,532,816
  5. Step 5: Solve for x
    x = 26,392,700,787,532,816/193,138,019.60
  6. Step 6: Final answer
    x = 136,652,021.40

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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.