Home / 200,406,638.92-300,099,643.80-132,042,068.68

Finding the Fourth Proportional to 200,406,638.92, 300,099,643.80 and 132,042,068.68

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Solution

The fourth proportional to 200,406,638.92, 300,099,643.80 and 132,042,068.68 is: 197,726,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,406,638.92 : 300,099,643.80 = 132,042,068.68 : x
  2. Step 2: Convert to fraction form
    200,406,638.92/300,099,643.80 = 132,042,068.68/x
  3. Step 3: Cross multiply
    200,406,638.92x = 300,099,643.80 × 132,042,068.68
  4. Step 4: Simplify right side
    200,406,638.92x = 39,625,777,777,483,136
  5. Step 5: Solve for x
    x = 39,625,777,777,483,136/200,406,638.92
  6. Step 6: Final answer
    x = 197,726,871.68

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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.