Home / 203,829,708.15-281,288,233.17-115,721,907.93

Finding the Fourth Proportional to 203,829,708.15, 281,288,233.17 and 115,721,907.93

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Solution

The fourth proportional to 203,829,708.15, 281,288,233.17 and 115,721,907.93 is: 159,698,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,829,708.15 : 281,288,233.17 = 115,721,907.93 : x
  2. Step 2: Convert to fraction form
    203,829,708.15/281,288,233.17 = 115,721,907.93/x
  3. Step 3: Cross multiply
    203,829,708.15x = 281,288,233.17 × 115,721,907.93
  4. Step 4: Simplify right side
    203,829,708.15x = 32,551,211,020,691,116
  5. Step 5: Solve for x
    x = 32,551,211,020,691,116/203,829,708.15
  6. Step 6: Final answer
    x = 159,698,070.10

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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.