Home / 54,167,252.80-81,257,044.72-19,639,914.67

Finding the Fourth Proportional to 54,167,252.80, 81,257,044.72 and 19,639,914.67

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Solution

The fourth proportional to 54,167,252.80, 81,257,044.72 and 19,639,914.67 is: 29,462,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167,252.80 : 81,257,044.72 = 19,639,914.67 : x
  2. Step 2: Convert to fraction form
    54,167,252.80/81,257,044.72 = 19,639,914.67/x
  3. Step 3: Cross multiply
    54,167,252.80x = 81,257,044.72 × 19,639,914.67
  4. Step 4: Simplify right side
    54,167,252.80x = 1,595,881,424,637,174.25
  5. Step 5: Solve for x
    x = 1,595,881,424,637,174.25/54,167,252.80
  6. Step 6: Final answer
    x = 29,462,107.49

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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.