Home / 84,685,172.76-116,867,553.10-47,518,202.78

Finding the Fourth Proportional to 84,685,172.76, 116,867,553.10 and 47,518,202.78

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Solution

The fourth proportional to 84,685,172.76, 116,867,553.10 and 47,518,202.78 is: 65,576,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685,172.76 : 116,867,553.10 = 47,518,202.78 : x
  2. Step 2: Convert to fraction form
    84,685,172.76/116,867,553.10 = 47,518,202.78/x
  3. Step 3: Cross multiply
    84,685,172.76x = 116,867,553.10 × 47,518,202.78
  4. Step 4: Simplify right side
    84,685,172.76x = 5,553,336,086,343,338
  5. Step 5: Solve for x
    x = 5,553,336,086,343,338/84,685,172.76
  6. Step 6: Final answer
    x = 65,576,250.31

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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.