Home / 192,020,165.90-264,988,636.50-103,914,167.72

Finding the Fourth Proportional to 192,020,165.90, 264,988,636.50 and 103,914,167.72

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Solution

The fourth proportional to 192,020,165.90, 264,988,636.50 and 103,914,167.72 is: 143,401,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,020,165.90 : 264,988,636.50 = 103,914,167.72 : x
  2. Step 2: Convert to fraction form
    192,020,165.90/264,988,636.50 = 103,914,167.72/x
  3. Step 3: Cross multiply
    192,020,165.90x = 264,988,636.50 × 103,914,167.72
  4. Step 4: Simplify right side
    192,020,165.90x = 27,536,073,617,155,112
  5. Step 5: Solve for x
    x = 27,536,073,617,155,112/192,020,165.90
  6. Step 6: Final answer
    x = 143,401,988.47

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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.