Home / 54,167,253.30-81,257,045.47-19,639,915.17

Finding the Fourth Proportional to 54,167,253.30, 81,257,045.47 and 19,639,915.17

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Solution

The fourth proportional to 54,167,253.30, 81,257,045.47 and 19,639,915.17 is: 29,462,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167,253.30 : 81,257,045.47 = 19,639,915.17 : x
  2. Step 2: Convert to fraction form
    54,167,253.30/81,257,045.47 = 19,639,915.17/x
  3. Step 3: Cross multiply
    54,167,253.30x = 81,257,045.47 × 19,639,915.17
  4. Step 4: Simplify right side
    54,167,253.30x = 1,595,881,479,995,633
  5. Step 5: Solve for x
    x = 1,595,881,479,995,633/54,167,253.30
  6. Step 6: Final answer
    x = 29,462,108.24

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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.