Home / 201,204,815.60-301,807,223.40-99,168,143.60

Finding the Fourth Proportional to 201,204,815.60, 301,807,223.40 and 99,168,143.60

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Solution

The fourth proportional to 201,204,815.60, 301,807,223.40 and 99,168,143.60 is: 148,752,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,815.60 : 301,807,223.40 = 99,168,143.60 : x
  2. Step 2: Convert to fraction form
    201,204,815.60/301,807,223.40 = 99,168,143.60/x
  3. Step 3: Cross multiply
    201,204,815.60x = 301,807,223.40 × 99,168,143.60
  4. Step 4: Simplify right side
    201,204,815.60x = 29,929,662,069,648,476
  5. Step 5: Solve for x
    x = 29,929,662,069,648,476/201,204,815.60
  6. Step 6: Final answer
    x = 148,752,215.40

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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.