Home / 171,478,506.74-236,635,732.33-100,918,268.42

Finding the Fourth Proportional to 171,478,506.74, 236,635,732.33 and 100,918,268.42

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Solution

The fourth proportional to 171,478,506.74, 236,635,732.33 and 100,918,268.42 is: 139,264,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,478,506.74 : 236,635,732.33 = 100,918,268.42 : x
  2. Step 2: Convert to fraction form
    171,478,506.74/236,635,732.33 = 100,918,268.42/x
  3. Step 3: Cross multiply
    171,478,506.74x = 236,635,732.33 × 100,918,268.42
  4. Step 4: Simplify right side
    171,478,506.74x = 23,880,868,351,606,736
  5. Step 5: Solve for x
    x = 23,880,868,351,606,736/171,478,506.74
  6. Step 6: Final answer
    x = 139,264,499.13

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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.