Home / 54,320,308.70-81,480,463.05-28,811,140.70

Finding the Fourth Proportional to 54,320,308.70, 81,480,463.05 and 28,811,140.70

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Solution

The fourth proportional to 54,320,308.70, 81,480,463.05 and 28,811,140.70 is: 43,216,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320,308.70 : 81,480,463.05 = 28,811,140.70 : x
  2. Step 2: Convert to fraction form
    54,320,308.70/81,480,463.05 = 28,811,140.70/x
  3. Step 3: Cross multiply
    54,320,308.70x = 81,480,463.05 × 28,811,140.70
  4. Step 4: Simplify right side
    54,320,308.70x = 2,347,545,085,234,701
  5. Step 5: Solve for x
    x = 2,347,545,085,234,701/54,320,308.70
  6. Step 6: Final answer
    x = 43,216,711.05

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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.