Home / 208,987,110.40-313,815,276.60-166,212,014.80

Finding the Fourth Proportional to 208,987,110.40, 313,815,276.60 and 166,212,014.80

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Solution

The fourth proportional to 208,987,110.40, 313,815,276.60 and 166,212,014.80 is: 249,584,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,987,110.40 : 313,815,276.60 = 166,212,014.80 : x
  2. Step 2: Convert to fraction form
    208,987,110.40/313,815,276.60 = 166,212,014.80/x
  3. Step 3: Cross multiply
    208,987,110.40x = 313,815,276.60 × 166,212,014.80
  4. Step 4: Simplify right side
    208,987,110.40x = 52,159,869,398,705,304
  5. Step 5: Solve for x
    x = 52,159,869,398,705,304/208,987,110.40
  6. Step 6: Final answer
    x = 249,584,145.64

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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.