Home / 221,283,007.20-331,924,510.80-167,535,295.20

Finding the Fourth Proportional to 221,283,007.20, 331,924,510.80 and 167,535,295.20

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Solution

The fourth proportional to 221,283,007.20, 331,924,510.80 and 167,535,295.20 is: 251,302,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,283,007.20 : 331,924,510.80 = 167,535,295.20 : x
  2. Step 2: Convert to fraction form
    221,283,007.20/331,924,510.80 = 167,535,295.20/x
  3. Step 3: Cross multiply
    221,283,007.20x = 331,924,510.80 × 167,535,295.20
  4. Step 4: Simplify right side
    221,283,007.20x = 55,609,070,900,993,584
  5. Step 5: Solve for x
    x = 55,609,070,900,993,584/221,283,007.20
  6. Step 6: Final answer
    x = 251,302,942.80

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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.