Home / 201,113,278.40-301,669,917.60-109,280,273.60

Finding the Fourth Proportional to 201,113,278.40, 301,669,917.60 and 109,280,273.60

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Solution

The fourth proportional to 201,113,278.40, 301,669,917.60 and 109,280,273.60 is: 163,920,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,113,278.40 : 301,669,917.60 = 109,280,273.60 : x
  2. Step 2: Convert to fraction form
    201,113,278.40/301,669,917.60 = 109,280,273.60/x
  3. Step 3: Cross multiply
    201,113,278.40x = 301,669,917.60 × 109,280,273.60
  4. Step 4: Simplify right side
    201,113,278.40x = 32,966,571,132,217,456
  5. Step 5: Solve for x
    x = 32,966,571,132,217,456/201,113,278.40
  6. Step 6: Final answer
    x = 163,920,410.40

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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.