Home / 202,107,262.86-278,909,690.85-111,583,669.62

Finding the Fourth Proportional to 202,107,262.86, 278,909,690.85 and 111,583,669.62

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Solution

The fourth proportional to 202,107,262.86, 278,909,690.85 and 111,583,669.62 is: 153,986,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,107,262.86 : 278,909,690.85 = 111,583,669.62 : x
  2. Step 2: Convert to fraction form
    202,107,262.86/278,909,690.85 = 111,583,669.62/x
  3. Step 3: Cross multiply
    202,107,262.86x = 278,909,690.85 × 111,583,669.62
  4. Step 4: Simplify right side
    202,107,262.86x = 31,121,766,797,622,740
  5. Step 5: Solve for x
    x = 31,121,766,797,622,740/202,107,262.86
  6. Step 6: Final answer
    x = 153,986,385.04

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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.