Home / 201,739,126.40-302,608,689.60-132,864,372.80

Finding the Fourth Proportional to 201,739,126.40, 302,608,689.60 and 132,864,372.80

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Solution

The fourth proportional to 201,739,126.40, 302,608,689.60 and 132,864,372.80 is: 199,296,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,739,126.40 : 302,608,689.60 = 132,864,372.80 : x
  2. Step 2: Convert to fraction form
    201,739,126.40/302,608,689.60 = 132,864,372.80/x
  3. Step 3: Cross multiply
    201,739,126.40x = 302,608,689.60 × 132,864,372.80
  4. Step 4: Simplify right side
    201,739,126.40x = 40,205,913,747,533,888
  5. Step 5: Solve for x
    x = 40,205,913,747,533,888/201,739,126.40
  6. Step 6: Final answer
    x = 199,296,559.20

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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.