Home / 201,984,010.40-302,976,015.60-115,987,671.20

Finding the Fourth Proportional to 201,984,010.40, 302,976,015.60 and 115,987,671.20

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Solution

The fourth proportional to 201,984,010.40, 302,976,015.60 and 115,987,671.20 is: 173,981,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,984,010.40 : 302,976,015.60 = 115,987,671.20 : x
  2. Step 2: Convert to fraction form
    201,984,010.40/302,976,015.60 = 115,987,671.20/x
  3. Step 3: Cross multiply
    201,984,010.40x = 302,976,015.60 × 115,987,671.20
  4. Step 4: Simplify right side
    201,984,010.40x = 35,141,482,478,898,876
  5. Step 5: Solve for x
    x = 35,141,482,478,898,876/201,984,010.40
  6. Step 6: Final answer
    x = 173,981,506.80

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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.