Home / 89,677,413.20-134,516,119.80-67,994,620.40

Finding the Fourth Proportional to 89,677,413.20, 134,516,119.80 and 67,994,620.40

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Solution

The fourth proportional to 89,677,413.20, 134,516,119.80 and 67,994,620.40 is: 101,991,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677,413.20 : 134,516,119.80 = 67,994,620.40 : x
  2. Step 2: Convert to fraction form
    89,677,413.20/134,516,119.80 = 67,994,620.40/x
  3. Step 3: Cross multiply
    89,677,413.20x = 134,516,119.80 × 67,994,620.40
  4. Step 4: Simplify right side
    89,677,413.20x = 9,146,372,503,481,926
  5. Step 5: Solve for x
    x = 9,146,372,503,481,926/89,677,413.20
  6. Step 6: Final answer
    x = 101,991,930.60

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Similar ratio
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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.