Home / 89,068,990.80-133,584,823.80-43,663,371.60

Finding the Fourth Proportional to 89,068,990.80, 133,584,823.80 and 43,663,371.60

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Solution

The fourth proportional to 89,068,990.80, 133,584,823.80 and 43,663,371.60 is: 65,485,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068,990.80 : 133,584,823.80 = 43,663,371.60 : x
  2. Step 2: Convert to fraction form
    89,068,990.80/133,584,823.80 = 43,663,371.60/x
  3. Step 3: Cross multiply
    89,068,990.80x = 133,584,823.80 × 43,663,371.60
  4. Step 4: Simplify right side
    89,068,990.80x = 5,832,763,801,699,924
  5. Step 5: Solve for x
    x = 5,832,763,801,699,924/89,068,990.80
  6. Step 6: Final answer
    x = 65,485,908.72

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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.