Home / 279,848,223.68-386,191,883.84-154,400,411.66

Finding the Fourth Proportional to 279,848,223.68, 386,191,883.84 and 154,400,411.66

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Solution

The fourth proportional to 279,848,223.68, 386,191,883.84 and 154,400,411.66 is: 213,073,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,848,223.68 : 386,191,883.84 = 154,400,411.66 : x
  2. Step 2: Convert to fraction form
    279,848,223.68/386,191,883.84 = 154,400,411.66/x
  3. Step 3: Cross multiply
    279,848,223.68x = 386,191,883.84 × 154,400,411.66
  4. Step 4: Simplify right side
    279,848,223.68x = 59,628,185,841,943,936
  5. Step 5: Solve for x
    x = 59,628,185,841,943,936/279,848,223.68
  6. Step 6: Final answer
    x = 213,073,304.73

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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.