Home / 89,838,166.47-123,982,410.70-50,665,650.36

Finding the Fourth Proportional to 89,838,166.47, 123,982,410.70 and 50,665,650.36

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Solution

The fourth proportional to 89,838,166.47, 123,982,410.70 and 50,665,650.36 is: 69,921,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,838,166.47 : 123,982,410.70 = 50,665,650.36 : x
  2. Step 2: Convert to fraction form
    89,838,166.47/123,982,410.70 = 50,665,650.36/x
  3. Step 3: Cross multiply
    89,838,166.47x = 123,982,410.70 × 50,665,650.36
  4. Step 4: Simplify right side
    89,838,166.47x = 6,281,649,470,629,780
  5. Step 5: Solve for x
    x = 6,281,649,470,629,780/89,838,166.47
  6. Step 6: Final answer
    x = 69,921,835.20

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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.