Home / 49,926,424.30-74,889,636.45-21,167,665.90

Finding the Fourth Proportional to 49,926,424.30, 74,889,636.45 and 21,167,665.90

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Solution

The fourth proportional to 49,926,424.30, 74,889,636.45 and 21,167,665.90 is: 31,751,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,424.30 : 74,889,636.45 = 21,167,665.90 : x
  2. Step 2: Convert to fraction form
    49,926,424.30/74,889,636.45 = 21,167,665.90/x
  3. Step 3: Cross multiply
    49,926,424.30x = 74,889,636.45 × 21,167,665.90
  4. Step 4: Simplify right side
    49,926,424.30x = 1,585,238,803,746,062
  5. Step 5: Solve for x
    x = 1,585,238,803,746,062/49,926,424.30
  6. Step 6: Final answer
    x = 31,751,498.85

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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.