Home / 323,611,052.34-485,762,014.80-139,469,403.03

Finding the Fourth Proportional to 323,611,052.34, 485,762,014.80 and 139,469,403.03

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Solution

The fourth proportional to 323,611,052.34, 485,762,014.80 and 139,469,403.03 is: 209,352,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,611,052.34 : 485,762,014.80 = 139,469,403.03 : x
  2. Step 2: Convert to fraction form
    323,611,052.34/485,762,014.80 = 139,469,403.03/x
  3. Step 3: Cross multiply
    323,611,052.34x = 485,762,014.80 × 139,469,403.03
  4. Step 4: Simplify right side
    323,611,052.34x = 67,748,938,218,806,024
  5. Step 5: Solve for x
    x = 67,748,938,218,806,024/323,611,052.34
  6. Step 6: Final answer
    x = 209,352,980.16

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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.