Home / 308,881,799.28-426,283,171.38-174,943,542.12

Finding the Fourth Proportional to 308,881,799.28, 426,283,171.38 and 174,943,542.12

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Solution

The fourth proportional to 308,881,799.28, 426,283,171.38 and 174,943,542.12 is: 241,436,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,881,799.28 : 426,283,171.38 = 174,943,542.12 : x
  2. Step 2: Convert to fraction form
    308,881,799.28/426,283,171.38 = 174,943,542.12/x
  3. Step 3: Cross multiply
    308,881,799.28x = 426,283,171.38 × 174,943,542.12
  4. Step 4: Simplify right side
    308,881,799.28x = 74,575,487,947,364,208
  5. Step 5: Solve for x
    x = 74,575,487,947,364,208/308,881,799.28
  6. Step 6: Final answer
    x = 241,436,977.26

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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.