Home / 105,681,844.40-158,522,766.60-89,557,530.80

Finding the Fourth Proportional to 105,681,844.40, 158,522,766.60 and 89,557,530.80

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Solution

The fourth proportional to 105,681,844.40, 158,522,766.60 and 89,557,530.80 is: 134,336,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,681,844.40 : 158,522,766.60 = 89,557,530.80 : x
  2. Step 2: Convert to fraction form
    105,681,844.40/158,522,766.60 = 89,557,530.80/x
  3. Step 3: Cross multiply
    105,681,844.40x = 158,522,766.60 × 89,557,530.80
  4. Step 4: Simplify right side
    105,681,844.40x = 14,196,907,552,280,710
  5. Step 5: Solve for x
    x = 14,196,907,552,280,710/105,681,844.40
  6. Step 6: Final answer
    x = 134,336,296.20

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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.