Home / 281,606,052.08-388,634,311.32-157,846,761.20

Finding the Fourth Proportional to 281,606,052.08, 388,634,311.32 and 157,846,761.20

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Solution

The fourth proportional to 281,606,052.08, 388,634,311.32 and 157,846,761.20 is: 217,838,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,606,052.08 : 388,634,311.32 = 157,846,761.20 : x
  2. Step 2: Convert to fraction form
    281,606,052.08/388,634,311.32 = 157,846,761.20/x
  3. Step 3: Cross multiply
    281,606,052.08x = 388,634,311.32 × 157,846,761.20
  4. Step 4: Simplify right side
    281,606,052.08x = 61,344,667,333,054,488
  5. Step 5: Solve for x
    x = 61,344,667,333,054,488/281,606,052.08
  6. Step 6: Final answer
    x = 217,838,597.15

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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.