Home / 242,208,475.21-334,684,918.61-172,472,787.73

Finding the Fourth Proportional to 242,208,475.21, 334,684,918.61 and 172,472,787.73

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Solution

The fourth proportional to 242,208,475.21, 334,684,918.61 and 172,472,787.73 is: 238,323,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,208,475.21 : 334,684,918.61 = 172,472,787.73 : x
  2. Step 2: Convert to fraction form
    242,208,475.21/334,684,918.61 = 172,472,787.73/x
  3. Step 3: Cross multiply
    242,208,475.21x = 334,684,918.61 × 172,472,787.73
  4. Step 4: Simplify right side
    242,208,475.21x = 57,724,040,923,854,856
  5. Step 5: Solve for x
    x = 57,724,040,923,854,856/242,208,475.21
  6. Step 6: Final answer
    x = 238,323,786.46

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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.