Home / 84,428,490.52-116,512,506.82-48,645,154.89

Finding the Fourth Proportional to 84,428,490.52, 116,512,506.82 and 48,645,154.89

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Solution

The fourth proportional to 84,428,490.52, 116,512,506.82 and 48,645,154.89 is: 67,130,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,428,490.52 : 116,512,506.82 = 48,645,154.89 : x
  2. Step 2: Convert to fraction form
    84,428,490.52/116,512,506.82 = 48,645,154.89/x
  3. Step 3: Cross multiply
    84,428,490.52x = 116,512,506.82 × 48,645,154.89
  4. Step 4: Simplify right side
    84,428,490.52x = 5,667,768,940,553,021
  5. Step 5: Solve for x
    x = 5,667,768,940,553,021/84,428,490.52
  6. Step 6: Final answer
    x = 67,130,999.33

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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.