Home / 98,015,506.65-135,161,141.27-64,964,279.61

Finding the Fourth Proportional to 98,015,506.65, 135,161,141.27 and 64,964,279.61

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Solution

The fourth proportional to 98,015,506.65, 135,161,141.27 and 64,964,279.61 is: 89,584,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,015,506.65 : 135,161,141.27 = 64,964,279.61 : x
  2. Step 2: Convert to fraction form
    98,015,506.65/135,161,141.27 = 64,964,279.61/x
  3. Step 3: Cross multiply
    98,015,506.65x = 135,161,141.27 × 64,964,279.61
  4. Step 4: Simplify right side
    98,015,506.65x = 8,780,646,173,546,168
  5. Step 5: Solve for x
    x = 8,780,646,173,546,168/98,015,506.65
  6. Step 6: Final answer
    x = 89,584,255.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.