Home / 109,814,510.40-151,481,062.08-68,489,658.24

Finding the Fourth Proportional to 109,814,510.40, 151,481,062.08 and 68,489,658.24

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Solution

The fourth proportional to 109,814,510.40, 151,481,062.08 and 68,489,658.24 is: 94,476,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,814,510.40 : 151,481,062.08 = 68,489,658.24 : x
  2. Step 2: Convert to fraction form
    109,814,510.40/151,481,062.08 = 68,489,658.24/x
  3. Step 3: Cross multiply
    109,814,510.40x = 151,481,062.08 × 68,489,658.24
  4. Step 4: Simplify right side
    109,814,510.40x = 10,374,886,171,691,424
  5. Step 5: Solve for x
    x = 10,374,886,171,691,424/109,814,510.40
  6. Step 6: Final answer
    x = 94,476,459.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.