Home / 203,618,274.81-305,521,345.13-92,987,859.31

Finding the Fourth Proportional to 203,618,274.81, 305,521,345.13 and 92,987,859.31

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Solution

The fourth proportional to 203,618,274.81, 305,521,345.13 and 92,987,859.31 is: 139,524,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,618,274.81 : 305,521,345.13 = 92,987,859.31 : x
  2. Step 2: Convert to fraction form
    203,618,274.81/305,521,345.13 = 92,987,859.31/x
  3. Step 3: Cross multiply
    203,618,274.81x = 305,521,345.13 × 92,987,859.31
  4. Step 4: Simplify right side
    203,618,274.81x = 28,409,775,858,425,952
  5. Step 5: Solve for x
    x = 28,409,775,858,425,952/203,618,274.81
  6. Step 6: Final answer
    x = 139,524,686.01

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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.