Home / 186,191,006.51-256,934,092.41-102,557,336.69

Finding the Fourth Proportional to 186,191,006.51, 256,934,092.41 and 102,557,336.69

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Solution

The fourth proportional to 186,191,006.51, 256,934,092.41 and 102,557,336.69 is: 141,523,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,191,006.51 : 256,934,092.41 = 102,557,336.69 : x
  2. Step 2: Convert to fraction form
    186,191,006.51/256,934,092.41 = 102,557,336.69/x
  3. Step 3: Cross multiply
    186,191,006.51x = 256,934,092.41 × 102,557,336.69
  4. Step 4: Simplify right side
    186,191,006.51x = 26,350,476,221,147,272
  5. Step 5: Solve for x
    x = 26,350,476,221,147,272/186,191,006.51
  6. Step 6: Final answer
    x = 141,523,893.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.