Home / 54,663,918,551.12-81,974,679,308.96-18,801,856,711.28

Finding the Fourth Proportional to 54,663,918,551.12, 81,974,679,308.96 and 18,801,856,711.28

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Solution

The fourth proportional to 54,663,918,551.12, 81,974,679,308.96 and 18,801,856,711.28 is: 28,195,493,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,663,918,551.12 : 81,974,679,308.96 = 18,801,856,711.28 : x
  2. Step 2: Convert to fraction form
    54,663,918,551.12/81,974,679,308.96 = 18,801,856,711.28/x
  3. Step 3: Cross multiply
    54,663,918,551.12x = 81,974,679,308.96 × 18,801,856,711.28
  4. Step 4: Simplify right side
    54,663,918,551.12x = 1,541,276,174,320,195,338,240
  5. Step 5: Solve for x
    x = 1,541,276,174,320,195,338,240/54,663,918,551.12
  6. Step 6: Final answer
    x = 28,195,493,758.44

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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.