Home / 77,678,384.56-116,424,918.49-36,123,165.18

Finding the Fourth Proportional to 77,678,384.56, 116,424,918.49 and 36,123,165.18

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Solution

The fourth proportional to 77,678,384.56, 116,424,918.49 and 36,123,165.18 is: 54,141,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,678,384.56 : 116,424,918.49 = 36,123,165.18 : x
  2. Step 2: Convert to fraction form
    77,678,384.56/116,424,918.49 = 36,123,165.18/x
  3. Step 3: Cross multiply
    77,678,384.56x = 116,424,918.49 × 36,123,165.18
  4. Step 4: Simplify right side
    77,678,384.56x = 4,205,636,561,682,306
  5. Step 5: Solve for x
    x = 4,205,636,561,682,306/77,678,384.56
  6. Step 6: Final answer
    x = 54,141,658.40

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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.