Home / 70,735,789.50-106,103,678.49-19,617,807.66

Finding the Fourth Proportional to 70,735,789.50, 106,103,678.49 and 19,617,807.66

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Solution

The fourth proportional to 70,735,789.50, 106,103,678.49 and 19,617,807.66 is: 29,426,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735,789.50 : 106,103,678.49 = 19,617,807.66 : x
  2. Step 2: Convert to fraction form
    70,735,789.50/106,103,678.49 = 19,617,807.66/x
  3. Step 3: Cross multiply
    70,735,789.50x = 106,103,678.49 × 19,617,807.66
  4. Step 4: Simplify right side
    70,735,789.50x = 2,081,521,556,635,299.25
  5. Step 5: Solve for x
    x = 2,081,521,556,635,299.25/70,735,789.50
  6. Step 6: Final answer
    x = 29,426,709.89

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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.