Home / 371,463,850.20-557,249,583.42-138,275,179.32

Finding the Fourth Proportional to 371,463,850.20, 557,249,583.42 and 138,275,179.32

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Solution

The fourth proportional to 371,463,850.20, 557,249,583.42 and 138,275,179.32 is: 207,432,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,463,850.20 : 557,249,583.42 = 138,275,179.32 : x
  2. Step 2: Convert to fraction form
    371,463,850.20/557,249,583.42 = 138,275,179.32/x
  3. Step 3: Cross multiply
    371,463,850.20x = 557,249,583.42 × 138,275,179.32
  4. Step 4: Simplify right side
    371,463,850.20x = 77,053,786,073,395,792
  5. Step 5: Solve for x
    x = 77,053,786,073,395,792/371,463,850.20
  6. Step 6: Final answer
    x = 207,432,798.73

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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.