Home / 204,788,530.80-307,182,796.20-68,473,914.30

Finding the Fourth Proportional to 204,788,530.80, 307,182,796.20 and 68,473,914.30

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Solution

The fourth proportional to 204,788,530.80, 307,182,796.20 and 68,473,914.30 is: 102,710,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,788,530.80 : 307,182,796.20 = 68,473,914.30 : x
  2. Step 2: Convert to fraction form
    204,788,530.80/307,182,796.20 = 68,473,914.30/x
  3. Step 3: Cross multiply
    204,788,530.80x = 307,182,796.20 × 68,473,914.30
  4. Step 4: Simplify right side
    204,788,530.80x = 21,034,008,461,433,164
  5. Step 5: Solve for x
    x = 21,034,008,461,433,164/204,788,530.80
  6. Step 6: Final answer
    x = 102,710,871.45

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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.