Home / 201,676,712.70-302,515,069.05-132,801,959.10

Finding the Fourth Proportional to 201,676,712.70, 302,515,069.05 and 132,801,959.10

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Solution

The fourth proportional to 201,676,712.70, 302,515,069.05 and 132,801,959.10 is: 199,202,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,712.70 : 302,515,069.05 = 132,801,959.10 : x
  2. Step 2: Convert to fraction form
    201,676,712.70/302,515,069.05 = 132,801,959.10/x
  3. Step 3: Cross multiply
    201,676,712.70x = 302,515,069.05 × 132,801,959.10
  4. Step 4: Simplify right side
    201,676,712.70x = 40,174,593,827,111,776
  5. Step 5: Solve for x
    x = 40,174,593,827,111,776/201,676,712.70
  6. Step 6: Final answer
    x = 199,202,938.65

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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.