Home / 84,498,811,874.40-126,748,217,811.60-75,682,843,413.60

Finding the Fourth Proportional to 84,498,811,874.40, 126,748,217,811.60 and 75,682,843,413.60

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Solution

The fourth proportional to 84,498,811,874.40, 126,748,217,811.60 and 75,682,843,413.60 is: 113,524,265,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,498,811,874.40 : 126,748,217,811.60 = 75,682,843,413.60 : x
  2. Step 2: Convert to fraction form
    84,498,811,874.40/126,748,217,811.60 = 75,682,843,413.60/x
  3. Step 3: Cross multiply
    84,498,811,874.40x = 126,748,217,811.60 × 75,682,843,413.60
  4. Step 4: Simplify right side
    84,498,811,874.40x = 9,592,665,521,588,191,363,072
  5. Step 5: Solve for x
    x = 9,592,665,521,588,191,363,072/84,498,811,874.40
  6. Step 6: Final answer
    x = 113,524,265,120.40

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Double scale
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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.