Home / 89,068,987.80-133,584,819.30-43,663,368.60

Finding the Fourth Proportional to 89,068,987.80, 133,584,819.30 and 43,663,368.60

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Solution

The fourth proportional to 89,068,987.80, 133,584,819.30 and 43,663,368.60 is: 65,485,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068,987.80 : 133,584,819.30 = 43,663,368.60 : x
  2. Step 2: Convert to fraction form
    89,068,987.80/133,584,819.30 = 43,663,368.60/x
  3. Step 3: Cross multiply
    89,068,987.80x = 133,584,819.30 × 43,663,368.60
  4. Step 4: Simplify right side
    89,068,987.80x = 5,832,763,204,460,294
  5. Step 5: Solve for x
    x = 5,832,763,204,460,294/89,068,987.80
  6. Step 6: Final answer
    x = 65,485,904.22

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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.