Home / 276,312,859.66-381,345,186.90-157,264,398.64

Finding the Fourth Proportional to 276,312,859.66, 381,345,186.90 and 157,264,398.64

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Solution

The fourth proportional to 276,312,859.66, 381,345,186.90 and 157,264,398.64 is: 217,043,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312,859.66 : 381,345,186.90 = 157,264,398.64 : x
  2. Step 2: Convert to fraction form
    276,312,859.66/381,345,186.90 = 157,264,398.64/x
  3. Step 3: Cross multiply
    276,312,859.66x = 381,345,186.90 × 157,264,398.64
  4. Step 4: Simplify right side
    276,312,859.66x = 59,972,021,492,086,896
  5. Step 5: Solve for x
    x = 59,972,021,492,086,896/276,312,859.66
  6. Step 6: Final answer
    x = 217,043,902.94

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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.