Home / 201,204,007.60-301,806,011.40-199,928,549.20

Finding the Fourth Proportional to 201,204,007.60, 301,806,011.40 and 199,928,549.20

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Solution

The fourth proportional to 201,204,007.60, 301,806,011.40 and 199,928,549.20 is: 299,892,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,007.60 : 301,806,011.40 = 199,928,549.20 : x
  2. Step 2: Convert to fraction form
    201,204,007.60/301,806,011.40 = 199,928,549.20/x
  3. Step 3: Cross multiply
    201,204,007.60x = 301,806,011.40 × 199,928,549.20
  4. Step 4: Simplify right side
    201,204,007.60x = 60,339,637,999,040,656
  5. Step 5: Solve for x
    x = 60,339,637,999,040,656/201,204,007.60
  6. Step 6: Final answer
    x = 299,892,823.80

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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.