Home / 263,127,123.40-394,690,685.10-181,497,785.80

Finding the Fourth Proportional to 263,127,123.40, 394,690,685.10 and 181,497,785.80

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Solution

The fourth proportional to 263,127,123.40, 394,690,685.10 and 181,497,785.80 is: 272,246,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,127,123.40 : 394,690,685.10 = 181,497,785.80 : x
  2. Step 2: Convert to fraction form
    263,127,123.40/394,690,685.10 = 181,497,785.80/x
  3. Step 3: Cross multiply
    263,127,123.40x = 394,690,685.10 × 181,497,785.80
  4. Step 4: Simplify right side
    263,127,123.40x = 71,635,485,421,535,064
  5. Step 5: Solve for x
    x = 71,635,485,421,535,064/263,127,123.40
  6. Step 6: Final answer
    x = 272,246,678.70

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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.