Home / 205,763,554.83-309,877,071.80-187,396,953.87

Finding the Fourth Proportional to 205,763,554.83, 309,877,071.80 and 187,396,953.87

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Solution

The fourth proportional to 205,763,554.83, 309,877,071.80 and 187,396,953.87 is: 282,217,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,763,554.83 : 309,877,071.80 = 187,396,953.87 : x
  2. Step 2: Convert to fraction form
    205,763,554.83/309,877,071.80 = 187,396,953.87/x
  3. Step 3: Cross multiply
    205,763,554.83x = 309,877,071.80 × 187,396,953.87
  4. Step 4: Simplify right side
    205,763,554.83x = 58,070,019,329,475,280
  5. Step 5: Solve for x
    x = 58,070,019,329,475,280/205,763,554.83
  6. Step 6: Final answer
    x = 282,217,224.41

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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.