Home / 51,959,665.04-71,701,420.25-28,438,153.68

Finding the Fourth Proportional to 51,959,665.04, 71,701,420.25 and 28,438,153.68

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Solution

The fourth proportional to 51,959,665.04, 71,701,420.25 and 28,438,153.68 is: 39,243,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959,665.04 : 71,701,420.25 = 28,438,153.68 : x
  2. Step 2: Convert to fraction form
    51,959,665.04/71,701,420.25 = 28,438,153.68/x
  3. Step 3: Cross multiply
    51,959,665.04x = 71,701,420.25 × 28,438,153.68
  4. Step 4: Simplify right side
    51,959,665.04x = 2,039,056,008,143,764
  5. Step 5: Solve for x
    x = 2,039,056,008,143,764/51,959,665.04
  6. Step 6: Final answer
    x = 39,243,055.29

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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.