Home / 217,517,464.80-300,182,021.44-118,393,421.16

Finding the Fourth Proportional to 217,517,464.80, 300,182,021.44 and 118,393,421.16

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Solution

The fourth proportional to 217,517,464.80, 300,182,021.44 and 118,393,421.16 is: 163,387,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,517,464.80 : 300,182,021.44 = 118,393,421.16 : x
  2. Step 2: Convert to fraction form
    217,517,464.80/300,182,021.44 = 118,393,421.16/x
  3. Step 3: Cross multiply
    217,517,464.80x = 300,182,021.44 × 118,393,421.16
  4. Step 4: Simplify right side
    217,517,464.80x = 35,539,576,489,006,068
  5. Step 5: Solve for x
    x = 35,539,576,489,006,068/217,517,464.80
  6. Step 6: Final answer
    x = 163,387,232.02

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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.