Home / 323,611,051.34-485,762,013.30-139,469,402.03

Finding the Fourth Proportional to 323,611,051.34, 485,762,013.30 and 139,469,402.03

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Solution

The fourth proportional to 323,611,051.34, 485,762,013.30 and 139,469,402.03 is: 209,352,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,611,051.34 : 485,762,013.30 = 139,469,402.03 : x
  2. Step 2: Convert to fraction form
    323,611,051.34/485,762,013.30 = 139,469,402.03/x
  3. Step 3: Cross multiply
    323,611,051.34x = 485,762,013.30 × 139,469,402.03
  4. Step 4: Simplify right side
    323,611,051.34x = 67,748,937,523,839,912
  5. Step 5: Solve for x
    x = 67,748,937,523,839,912/323,611,051.34
  6. Step 6: Final answer
    x = 209,352,978.66

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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.