Home / 168,805,979.42-253,173,539.28-47,609,087.90

Finding the Fourth Proportional to 168,805,979.42, 253,173,539.28 and 47,609,087.90

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Solution

The fourth proportional to 168,805,979.42, 253,173,539.28 and 47,609,087.90 is: 71,403,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,805,979.42 : 253,173,539.28 = 47,609,087.90 : x
  2. Step 2: Convert to fraction form
    168,805,979.42/253,173,539.28 = 47,609,087.90/x
  3. Step 3: Cross multiply
    168,805,979.42x = 253,173,539.28 × 47,609,087.90
  4. Step 4: Simplify right side
    168,805,979.42x = 12,053,361,285,535,622
  5. Step 5: Solve for x
    x = 12,053,361,285,535,622/168,805,979.42
  6. Step 6: Final answer
    x = 71,403,639.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.