Home / 52,521,406.21-72,491,633.81-30,798,372.61

Finding the Fourth Proportional to 52,521,406.21, 72,491,633.81 and 30,798,372.61

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Solution

The fourth proportional to 52,521,406.21, 72,491,633.81 and 30,798,372.61 is: 42,508,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521,406.21 : 72,491,633.81 = 30,798,372.61 : x
  2. Step 2: Convert to fraction form
    52,521,406.21/72,491,633.81 = 30,798,372.61/x
  3. Step 3: Cross multiply
    52,521,406.21x = 72,491,633.81 × 30,798,372.61
  4. Step 4: Simplify right side
    52,521,406.21x = 2,232,624,349,034,062.25
  5. Step 5: Solve for x
    x = 2,232,624,349,034,062.25/52,521,406.21
  6. Step 6: Final answer
    x = 42,508,845.63

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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.