Home / 371,463,857.20-557,249,593.92-138,275,186.32

Finding the Fourth Proportional to 371,463,857.20, 557,249,593.92 and 138,275,186.32

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Solution

The fourth proportional to 371,463,857.20, 557,249,593.92 and 138,275,186.32 is: 207,432,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,463,857.20 : 557,249,593.92 = 138,275,186.32 : x
  2. Step 2: Convert to fraction form
    371,463,857.20/557,249,593.92 = 138,275,186.32/x
  3. Step 3: Cross multiply
    371,463,857.20x = 557,249,593.92 × 138,275,186.32
  4. Step 4: Simplify right side
    371,463,857.20x = 77,053,791,426,032,336
  5. Step 5: Solve for x
    x = 77,053,791,426,032,336/371,463,857.20
  6. Step 6: Final answer
    x = 207,432,809.23

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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.