Home / 193,091,305.20-289,748,932.20-71,935,004.40

Finding the Fourth Proportional to 193,091,305.20, 289,748,932.20 and 71,935,004.40

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Solution

The fourth proportional to 193,091,305.20, 289,748,932.20 and 71,935,004.40 is: 107,944,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,091,305.20 : 289,748,932.20 = 71,935,004.40 : x
  2. Step 2: Convert to fraction form
    193,091,305.20/289,748,932.20 = 71,935,004.40/x
  3. Step 3: Cross multiply
    193,091,305.20x = 289,748,932.20 × 71,935,004.40
  4. Step 4: Simplify right side
    193,091,305.20x = 20,843,090,712,702,304
  5. Step 5: Solve for x
    x = 20,843,090,712,702,304/193,091,305.20
  6. Step 6: Final answer
    x = 107,944,221.99

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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.