Home / 51,785,288.49-77,688,165.55-18,996,161.78

Finding the Fourth Proportional to 51,785,288.49, 77,688,165.55 and 18,996,161.78

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Solution

The fourth proportional to 51,785,288.49, 77,688,165.55 and 18,996,161.78 is: 28,497,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,288.49 : 77,688,165.55 = 18,996,161.78 : x
  2. Step 2: Convert to fraction form
    51,785,288.49/77,688,165.55 = 18,996,161.78/x
  3. Step 3: Cross multiply
    51,785,288.49x = 77,688,165.55 × 18,996,161.78
  4. Step 4: Simplify right side
    51,785,288.49x = 1,475,776,960,935,382.50
  5. Step 5: Solve for x
    x = 1,475,776,960,935,382.50/51,785,288.49
  6. Step 6: Final answer
    x = 28,497,996.33

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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.