Home / 213,624,204.80-320,436,307.20-141,820,620.80

Finding the Fourth Proportional to 213,624,204.80, 320,436,307.20 and 141,820,620.80

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Solution

The fourth proportional to 213,624,204.80, 320,436,307.20 and 141,820,620.80 is: 212,730,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,624,204.80 : 320,436,307.20 = 141,820,620.80 : x
  2. Step 2: Convert to fraction form
    213,624,204.80/320,436,307.20 = 141,820,620.80/x
  3. Step 3: Cross multiply
    213,624,204.80x = 320,436,307.20 × 141,820,620.80
  4. Step 4: Simplify right side
    213,624,204.80x = 45,444,476,013,963,512
  5. Step 5: Solve for x
    x = 45,444,476,013,963,512/213,624,204.80
  6. Step 6: Final answer
    x = 212,730,931.20

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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.