Home / 203,317,920.40-280,580,904.03-110,498,432.80

Finding the Fourth Proportional to 203,317,920.40, 280,580,904.03 and 110,498,432.80

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Solution

The fourth proportional to 203,317,920.40, 280,580,904.03 and 110,498,432.80 is: 152,489,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,317,920.40 : 280,580,904.03 = 110,498,432.80 : x
  2. Step 2: Convert to fraction form
    203,317,920.40/280,580,904.03 = 110,498,432.80/x
  3. Step 3: Cross multiply
    203,317,920.40x = 280,580,904.03 × 110,498,432.80
  4. Step 4: Simplify right side
    203,317,920.40x = 31,003,750,168,922,200
  5. Step 5: Solve for x
    x = 31,003,750,168,922,200/203,317,920.40
  6. Step 6: Final answer
    x = 152,489,018.71

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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.