Home / 101,739,787.92-140,401,981.98-55,330,029.54

Finding the Fourth Proportional to 101,739,787.92, 140,401,981.98 and 55,330,029.54

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Solution

The fourth proportional to 101,739,787.92, 140,401,981.98 and 55,330,029.54 is: 76,356,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,739,787.92 : 140,401,981.98 = 55,330,029.54 : x
  2. Step 2: Convert to fraction form
    101,739,787.92/140,401,981.98 = 55,330,029.54/x
  3. Step 3: Cross multiply
    101,739,787.92x = 140,401,981.98 × 55,330,029.54
  4. Step 4: Simplify right side
    101,739,787.92x = 7,768,445,810,427,947
  5. Step 5: Solve for x
    x = 7,768,445,810,427,947/101,739,787.92
  6. Step 6: Final answer
    x = 76,356,025.20

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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.