Home / 203,798,917.32-281,239,706.52-115,692,145.80

Finding the Fourth Proportional to 203,798,917.32, 281,239,706.52 and 115,692,145.80

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Solution

The fourth proportional to 203,798,917.32, 281,239,706.52 and 115,692,145.80 is: 159,653,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,798,917.32 : 281,239,706.52 = 115,692,145.80 : x
  2. Step 2: Convert to fraction form
    203,798,917.32/281,239,706.52 = 115,692,145.80/x
  3. Step 3: Cross multiply
    203,798,917.32x = 281,239,706.52 × 115,692,145.80
  4. Step 4: Simplify right side
    203,798,917.32x = 32,537,225,131,461,048
  5. Step 5: Solve for x
    x = 32,537,225,131,461,048/203,798,917.32
  6. Step 6: Final answer
    x = 159,653,572.06

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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.