Home / 201,659,277.40-302,488,916.10-199,746,089.80

Finding the Fourth Proportional to 201,659,277.40, 302,488,916.10 and 199,746,089.80

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Solution

The fourth proportional to 201,659,277.40, 302,488,916.10 and 199,746,089.80 is: 299,619,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,659,277.40 : 302,488,916.10 = 199,746,089.80 : x
  2. Step 2: Convert to fraction form
    201,659,277.40/302,488,916.10 = 199,746,089.80/x
  3. Step 3: Cross multiply
    201,659,277.40x = 302,488,916.10 × 199,746,089.80
  4. Step 4: Simplify right side
    201,659,277.40x = 60,420,978,198,815,272
  5. Step 5: Solve for x
    x = 60,420,978,198,815,272/201,659,277.40
  6. Step 6: Final answer
    x = 299,619,134.70

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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.