Home / 201,705,325.80-302,515,998.30-86,693,620.20

Finding the Fourth Proportional to 201,705,325.80, 302,515,998.30 and 86,693,620.20

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Solution

The fourth proportional to 201,705,325.80, 302,515,998.30 and 86,693,620.20 is: 130,022,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,705,325.80 : 302,515,998.30 = 86,693,620.20 : x
  2. Step 2: Convert to fraction form
    201,705,325.80/302,515,998.30 = 86,693,620.20/x
  3. Step 3: Cross multiply
    201,705,325.80x = 302,515,998.30 × 86,693,620.20
  4. Step 4: Simplify right side
    201,705,325.80x = 26,226,207,061,044,048
  5. Step 5: Solve for x
    x = 26,226,207,061,044,048/201,705,325.80
  6. Step 6: Final answer
    x = 130,022,382.69

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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.