Home / 254,509,952.45-381,235,251.85-161,935,117.25

Finding the Fourth Proportional to 254,509,952.45, 381,235,251.85 and 161,935,117.25

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Solution

The fourth proportional to 254,509,952.45, 381,235,251.85 and 161,935,117.25 is: 242,565,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,509,952.45 : 381,235,251.85 = 161,935,117.25 : x
  2. Step 2: Convert to fraction form
    254,509,952.45/381,235,251.85 = 161,935,117.25/x
  3. Step 3: Cross multiply
    254,509,952.45x = 381,235,251.85 × 161,935,117.25
  4. Step 4: Simplify right side
    254,509,952.45x = 61,735,375,205,852,024
  5. Step 5: Solve for x
    x = 61,735,375,205,852,024/254,509,952.45
  6. Step 6: Final answer
    x = 242,565,662.41

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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.