Home / 89,179,968.30-133,769,952.45-28,601,817.90

Finding the Fourth Proportional to 89,179,968.30, 133,769,952.45 and 28,601,817.90

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Solution

The fourth proportional to 89,179,968.30, 133,769,952.45 and 28,601,817.90 is: 42,902,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,179,968.30 : 133,769,952.45 = 28,601,817.90 : x
  2. Step 2: Convert to fraction form
    89,179,968.30/133,769,952.45 = 28,601,817.90/x
  3. Step 3: Cross multiply
    89,179,968.30x = 133,769,952.45 × 28,601,817.90
  4. Step 4: Simplify right side
    89,179,968.30x = 3,826,063,820,466,558.50
  5. Step 5: Solve for x
    x = 3,826,063,820,466,558.50/89,179,968.30
  6. Step 6: Final answer
    x = 42,902,726.85

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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.