Home / 69,898,866.40-96,460,883.40-38,960,997.40

Finding the Fourth Proportional to 69,898,866.40, 96,460,883.40 and 38,960,997.40

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Solution

The fourth proportional to 69,898,866.40, 96,460,883.40 and 38,960,997.40 is: 53,766,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898,866.40 : 96,460,883.40 = 38,960,997.40 : x
  2. Step 2: Convert to fraction form
    69,898,866.40/96,460,883.40 = 38,960,997.40/x
  3. Step 3: Cross multiply
    69,898,866.40x = 96,460,883.40 × 38,960,997.40
  4. Step 4: Simplify right side
    69,898,866.40x = 3,758,212,227,349,103
  5. Step 5: Solve for x
    x = 3,758,212,227,349,103/69,898,866.40
  6. Step 6: Final answer
    x = 53,766,425.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.