Home / 102,328,033.12-153,571,645.38-71,421,832.84

Finding the Fourth Proportional to 102,328,033.12, 153,571,645.38 and 71,421,832.84

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Solution

The fourth proportional to 102,328,033.12, 153,571,645.38 and 71,421,832.84 is: 107,188,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328,033.12 : 153,571,645.38 = 71,421,832.84 : x
  2. Step 2: Convert to fraction form
    102,328,033.12/153,571,645.38 = 71,421,832.84/x
  3. Step 3: Cross multiply
    102,328,033.12x = 153,571,645.38 × 71,421,832.84
  4. Step 4: Simplify right side
    102,328,033.12x = 10,968,368,385,294,118
  5. Step 5: Solve for x
    x = 10,968,368,385,294,118/102,328,033.12
  6. Step 6: Final answer
    x = 107,188,304.62

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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.