Home / 201,252,581.40-301,719,439.80-110,376,170.40

Finding the Fourth Proportional to 201,252,581.40, 301,719,439.80 and 110,376,170.40

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Solution

The fourth proportional to 201,252,581.40, 301,719,439.80 and 110,376,170.40 is: 165,476,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,252,581.40 : 301,719,439.80 = 110,376,170.40 : x
  2. Step 2: Convert to fraction form
    201,252,581.40/301,719,439.80 = 110,376,170.40/x
  3. Step 3: Cross multiply
    201,252,581.40x = 301,719,439.80 × 110,376,170.40
  4. Step 4: Simplify right side
    201,252,581.40x = 33,302,636,300,357,344
  5. Step 5: Solve for x
    x = 33,302,636,300,357,344/201,252,581.40
  6. Step 6: Final answer
    x = 165,476,815.60

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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.