Home / 49,629,730.95-68,470,241.90-30,782,595.06

Finding the Fourth Proportional to 49,629,730.95, 68,470,241.90 and 30,782,595.06

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Solution

The fourth proportional to 49,629,730.95, 68,470,241.90 and 30,782,595.06 is: 42,468,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,629,730.95 : 68,470,241.90 = 30,782,595.06 : x
  2. Step 2: Convert to fraction form
    49,629,730.95/68,470,241.90 = 30,782,595.06/x
  3. Step 3: Cross multiply
    49,629,730.95x = 68,470,241.90 × 30,782,595.06
  4. Step 4: Simplify right side
    49,629,730.95x = 2,107,691,729,914,031.75
  5. Step 5: Solve for x
    x = 2,107,691,729,914,031.75/49,629,730.95
  6. Step 6: Final answer
    x = 42,468,328.75

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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.