Home / 201,113,272.40-301,669,908.60-109,280,267.60

Finding the Fourth Proportional to 201,113,272.40, 301,669,908.60 and 109,280,267.60

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Solution

The fourth proportional to 201,113,272.40, 301,669,908.60 and 109,280,267.60 is: 163,920,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,113,272.40 : 301,669,908.60 = 109,280,267.60 : x
  2. Step 2: Convert to fraction form
    201,113,272.40/301,669,908.60 = 109,280,267.60/x
  3. Step 3: Cross multiply
    201,113,272.40x = 301,669,908.60 × 109,280,267.60
  4. Step 4: Simplify right side
    201,113,272.40x = 32,966,568,338,675,544
  5. Step 5: Solve for x
    x = 32,966,568,338,675,544/201,113,272.40
  6. Step 6: Final answer
    x = 163,920,401.40

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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.