Home / 192,755,948.37-288,888,278.72-90,294,123.57

Finding the Fourth Proportional to 192,755,948.37, 288,888,278.72 and 90,294,123.57

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Solution

The fourth proportional to 192,755,948.37, 288,888,278.72 and 90,294,123.57 is: 135,326,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,755,948.37 : 288,888,278.72 = 90,294,123.57 : x
  2. Step 2: Convert to fraction form
    192,755,948.37/288,888,278.72 = 90,294,123.57/x
  3. Step 3: Cross multiply
    192,755,948.37x = 288,888,278.72 × 90,294,123.57
  4. Step 4: Simplify right side
    192,755,948.37x = 26,084,913,936,216,808
  5. Step 5: Solve for x
    x = 26,084,913,936,216,808/192,755,948.37
  6. Step 6: Final answer
    x = 135,326,116.56

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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.