Home / 68,167,712,658.40-102,251,568,987.60-51,637,771,794.40

Finding the Fourth Proportional to 68,167,712,658.40, 102,251,568,987.60 and 51,637,771,794.40

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Solution

The fourth proportional to 68,167,712,658.40, 102,251,568,987.60 and 51,637,771,794.40 is: 77,456,657,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167,712,658.40 : 102,251,568,987.60 = 51,637,771,794.40 : x
  2. Step 2: Convert to fraction form
    68,167,712,658.40/102,251,568,987.60 = 51,637,771,794.40/x
  3. Step 3: Cross multiply
    68,167,712,658.40x = 102,251,568,987.60 × 51,637,771,794.40
  4. Step 4: Simplify right side
    68,167,712,658.40x = 5,280,043,185,001,037,037,568
  5. Step 5: Solve for x
    x = 5,280,043,185,001,037,037,568/68,167,712,658.40
  6. Step 6: Final answer
    x = 77,456,657,691.60

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1.5x scale

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.