Home / 238,174,436.43-357,222,028.93-72,138,465.57

Finding the Fourth Proportional to 238,174,436.43, 357,222,028.93 and 72,138,465.57

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Solution

The fourth proportional to 238,174,436.43, 357,222,028.93 and 72,138,465.57 is: 108,195,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,174,436.43 : 357,222,028.93 = 72,138,465.57 : x
  2. Step 2: Convert to fraction form
    238,174,436.43/357,222,028.93 = 72,138,465.57/x
  3. Step 3: Cross multiply
    238,174,436.43x = 357,222,028.93 × 72,138,465.57
  4. Step 4: Simplify right side
    238,174,436.43x = 25,769,449,034,812,348
  5. Step 5: Solve for x
    x = 25,769,449,034,812,348/238,174,436.43
  6. Step 6: Final answer
    x = 108,195,696.49

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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.