Home / 67,712,658.40-101,568,987.60-57,970,885.60

Finding the Fourth Proportional to 67,712,658.40, 101,568,987.60 and 57,970,885.60

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Solution

The fourth proportional to 67,712,658.40, 101,568,987.60 and 57,970,885.60 is: 86,956,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,712,658.40 : 101,568,987.60 = 57,970,885.60 : x
  2. Step 2: Convert to fraction form
    67,712,658.40/101,568,987.60 = 57,970,885.60/x
  3. Step 3: Cross multiply
    67,712,658.40x = 101,568,987.60 × 57,970,885.60
  4. Step 4: Simplify right side
    67,712,658.40x = 5,888,044,160,667,418
  5. Step 5: Solve for x
    x = 5,888,044,160,667,418/67,712,658.40
  6. Step 6: Final answer
    x = 86,956,328.40

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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.