Home / 89,068,986.30-133,584,817.05-43,663,367.10

Finding the Fourth Proportional to 89,068,986.30, 133,584,817.05 and 43,663,367.10

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Solution

The fourth proportional to 89,068,986.30, 133,584,817.05 and 43,663,367.10 is: 65,485,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068,986.30 : 133,584,817.05 = 43,663,367.10 : x
  2. Step 2: Convert to fraction form
    89,068,986.30/133,584,817.05 = 43,663,367.10/x
  3. Step 3: Cross multiply
    89,068,986.30x = 133,584,817.05 × 43,663,367.10
  4. Step 4: Simplify right side
    89,068,986.30x = 5,832,762,905,840,489
  5. Step 5: Solve for x
    x = 5,832,762,905,840,489/89,068,986.30
  6. Step 6: Final answer
    x = 65,485,901.97

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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.