Home / 73,177,649.72-109,776,568.50-42,486,682.90

Finding the Fourth Proportional to 73,177,649.72, 109,776,568.50 and 42,486,682.90

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Solution

The fourth proportional to 73,177,649.72, 109,776,568.50 and 42,486,682.90 is: 63,735,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,177,649.72 : 109,776,568.50 = 42,486,682.90 : x
  2. Step 2: Convert to fraction form
    73,177,649.72/109,776,568.50 = 42,486,682.90/x
  3. Step 3: Cross multiply
    73,177,649.72x = 109,776,568.50 × 42,486,682.90
  4. Step 4: Simplify right side
    73,177,649.72x = 4,664,042,255,435,187
  5. Step 5: Solve for x
    x = 4,664,042,255,435,187/73,177,649.72
  6. Step 6: Final answer
    x = 63,735,884.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.