Home / 120,090,967.71-165,724,310.20-67,167,549.03

Finding the Fourth Proportional to 120,090,967.71, 165,724,310.20 and 67,167,549.03

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Solution

The fourth proportional to 120,090,967.71, 165,724,310.20 and 67,167,549.03 is: 92,690,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,090,967.71 : 165,724,310.20 = 67,167,549.03 : x
  2. Step 2: Convert to fraction form
    120,090,967.71/165,724,310.20 = 67,167,549.03/x
  3. Step 3: Cross multiply
    120,090,967.71x = 165,724,310.20 × 67,167,549.03
  4. Step 4: Simplify right side
    120,090,967.71x = 11,131,295,730,653,510
  5. Step 5: Solve for x
    x = 11,131,295,730,653,510/120,090,967.71
  6. Step 6: Final answer
    x = 92,690,532.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.