Home / 283,228,164.78-424,905,935.37-86,475,118.19

Finding the Fourth Proportional to 283,228,164.78, 424,905,935.37 and 86,475,118.19

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Solution

The fourth proportional to 283,228,164.78, 424,905,935.37 and 86,475,118.19 is: 129,732,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,228,164.78 : 424,905,935.37 = 86,475,118.19 : x
  2. Step 2: Convert to fraction form
    283,228,164.78/424,905,935.37 = 86,475,118.19/x
  3. Step 3: Cross multiply
    283,228,164.78x = 424,905,935.37 × 86,475,118.19
  4. Step 4: Simplify right side
    283,228,164.78x = 36,743,790,982,376,648
  5. Step 5: Solve for x
    x = 36,743,790,982,376,648/283,228,164.78
  6. Step 6: Final answer
    x = 129,732,122.55

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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.