Home / 323,611,047.84-485,762,008.05-139,469,398.53

Finding the Fourth Proportional to 323,611,047.84, 485,762,008.05 and 139,469,398.53

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Solution

The fourth proportional to 323,611,047.84, 485,762,008.05 and 139,469,398.53 is: 209,352,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,611,047.84 : 485,762,008.05 = 139,469,398.53 : x
  2. Step 2: Convert to fraction form
    323,611,047.84/485,762,008.05 = 139,469,398.53/x
  3. Step 3: Cross multiply
    323,611,047.84x = 485,762,008.05 × 139,469,398.53
  4. Step 4: Simplify right side
    323,611,047.84x = 67,748,935,091,458,520
  5. Step 5: Solve for x
    x = 67,748,935,091,458,520/323,611,047.84
  6. Step 6: Final answer
    x = 209,352,973.40

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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.