Home / 317,590,696.40-476,386,044.60-135,856,245.20

Finding the Fourth Proportional to 317,590,696.40, 476,386,044.60 and 135,856,245.20

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Solution

The fourth proportional to 317,590,696.40, 476,386,044.60 and 135,856,245.20 is: 203,784,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,590,696.40 : 476,386,044.60 = 135,856,245.20 : x
  2. Step 2: Convert to fraction form
    317,590,696.40/476,386,044.60 = 135,856,245.20/x
  3. Step 3: Cross multiply
    317,590,696.40x = 476,386,044.60 × 135,856,245.20
  4. Step 4: Simplify right side
    317,590,696.40x = 64,720,019,285,035,736
  5. Step 5: Solve for x
    x = 64,720,019,285,035,736/317,590,696.40
  6. Step 6: Final answer
    x = 203,784,367.80

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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.