Home / 89,159,016.90-133,770,382.08-54,215,225.88

Finding the Fourth Proportional to 89,159,016.90, 133,770,382.08 and 54,215,225.88

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Solution

The fourth proportional to 89,159,016.90, 133,770,382.08 and 54,215,225.88 is: 81,342,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159,016.90 : 133,770,382.08 = 54,215,225.88 : x
  2. Step 2: Convert to fraction form
    89,159,016.90/133,770,382.08 = 54,215,225.88/x
  3. Step 3: Cross multiply
    89,159,016.90x = 133,770,382.08 × 54,215,225.88
  4. Step 4: Simplify right side
    89,159,016.90x = 7,252,391,480,521,104
  5. Step 5: Solve for x
    x = 7,252,391,480,521,104/89,159,016.90
  6. Step 6: Final answer
    x = 81,342,210.05

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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.