Home / 211,203,442.80-291,455,548.80-117,117,069.84

Finding the Fourth Proportional to 211,203,442.80, 291,455,548.80 and 117,117,069.84

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Solution

The fourth proportional to 211,203,442.80, 291,455,548.80 and 117,117,069.84 is: 161,618,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,203,442.80 : 291,455,548.80 = 117,117,069.84 : x
  2. Step 2: Convert to fraction form
    211,203,442.80/291,455,548.80 = 117,117,069.84/x
  3. Step 3: Cross multiply
    211,203,442.80x = 291,455,548.80 × 117,117,069.84
  4. Step 4: Simplify right side
    211,203,442.80x = 34,134,419,864,065,132
  5. Step 5: Solve for x
    x = 34,134,419,864,065,132/211,203,442.80
  6. Step 6: Final answer
    x = 161,618,671.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.