Home / 205,763,551.83-309,877,067.27-187,396,950.87

Finding the Fourth Proportional to 205,763,551.83, 309,877,067.27 and 187,396,950.87

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Solution

The fourth proportional to 205,763,551.83, 309,877,067.27 and 187,396,950.87 is: 282,217,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,763,551.83 : 309,877,067.27 = 187,396,950.87 : x
  2. Step 2: Convert to fraction form
    205,763,551.83/309,877,067.27 = 187,396,950.87/x
  3. Step 3: Cross multiply
    205,763,551.83x = 309,877,067.27 × 187,396,950.87
  4. Step 4: Simplify right side
    205,763,551.83x = 58,070,017,551,404,368
  5. Step 5: Solve for x
    x = 58,070,017,551,404,368/205,763,551.83
  6. Step 6: Final answer
    x = 282,217,219.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.