Home / 201,204,678.40-301,807,017.60-132,329,924.80

Finding the Fourth Proportional to 201,204,678.40, 301,807,017.60 and 132,329,924.80

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Solution

The fourth proportional to 201,204,678.40, 301,807,017.60 and 132,329,924.80 is: 198,494,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,678.40 : 301,807,017.60 = 132,329,924.80 : x
  2. Step 2: Convert to fraction form
    201,204,678.40/301,807,017.60 = 132,329,924.80/x
  3. Step 3: Cross multiply
    201,204,678.40x = 301,807,017.60 × 132,329,924.80
  4. Step 4: Simplify right side
    201,204,678.40x = 39,938,099,943,120,280
  5. Step 5: Solve for x
    x = 39,938,099,943,120,280/201,204,678.40
  6. Step 6: Final answer
    x = 198,494,887.20

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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.