Home / 89,637,231.42-134,460,612.09-28,231,191.90

Finding the Fourth Proportional to 89,637,231.42, 134,460,612.09 and 28,231,191.90

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Solution

The fourth proportional to 89,637,231.42, 134,460,612.09 and 28,231,191.90 is: 42,348,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637,231.42 : 134,460,612.09 = 28,231,191.90 : x
  2. Step 2: Convert to fraction form
    89,637,231.42/134,460,612.09 = 28,231,191.90/x
  3. Step 3: Cross multiply
    89,637,231.42x = 134,460,612.09 × 28,231,191.90
  4. Step 4: Simplify right side
    89,637,231.42x = 3,795,983,342,904,250
  5. Step 5: Solve for x
    x = 3,795,983,342,904,250/89,637,231.42
  6. Step 6: Final answer
    x = 42,348,288.57

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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.