Home / 30,291,050.94-45,420,633.18-20,709,169.71

Finding the Fourth Proportional to 30,291,050.94, 45,420,633.18 and 20,709,169.71

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Solution

The fourth proportional to 30,291,050.94, 45,420,633.18 and 20,709,169.71 is: 31,052,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291,050.94 : 45,420,633.18 = 20,709,169.71 : x
  2. Step 2: Convert to fraction form
    30,291,050.94/45,420,633.18 = 20,709,169.71/x
  3. Step 3: Cross multiply
    30,291,050.94x = 45,420,633.18 × 20,709,169.71
  4. Step 4: Simplify right side
    30,291,050.94x = 940,623,601,003,674.75
  5. Step 5: Solve for x
    x = 940,623,601,003,674.75/30,291,050.94
  6. Step 6: Final answer
    x = 31,052,854.61

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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.