Home / 148,654,131.40-222,768,620.70-103,162,781.80

Finding the Fourth Proportional to 148,654,131.40, 222,768,620.70 and 103,162,781.80

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Solution

The fourth proportional to 148,654,131.40, 222,768,620.70 and 103,162,781.80 is: 154,596,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,654,131.40 : 222,768,620.70 = 103,162,781.80 : x
  2. Step 2: Convert to fraction form
    148,654,131.40/222,768,620.70 = 103,162,781.80/x
  3. Step 3: Cross multiply
    148,654,131.40x = 222,768,620.70 × 103,162,781.80
  4. Step 4: Simplify right side
    148,654,131.40x = 22,981,430,609,161,060
  5. Step 5: Solve for x
    x = 22,981,430,609,161,060/148,654,131.40
  6. Step 6: Final answer
    x = 154,596,649.23

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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.