Home / 286,092,032.70-429,138,049.05-147,917,372.70

Finding the Fourth Proportional to 286,092,032.70, 429,138,049.05 and 147,917,372.70

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Solution

The fourth proportional to 286,092,032.70, 429,138,049.05 and 147,917,372.70 is: 221,876,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,092,032.70 : 429,138,049.05 = 147,917,372.70 : x
  2. Step 2: Convert to fraction form
    286,092,032.70/429,138,049.05 = 147,917,372.70/x
  3. Step 3: Cross multiply
    286,092,032.70x = 429,138,049.05 × 147,917,372.70
  4. Step 4: Simplify right side
    286,092,032.70x = 63,476,972,741,079,728
  5. Step 5: Solve for x
    x = 63,476,972,741,079,728/286,092,032.70
  6. Step 6: Final answer
    x = 221,876,059.05

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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.