Home / 167,488,814.40-251,233,221.60-155,395,579.20

Finding the Fourth Proportional to 167,488,814.40, 251,233,221.60 and 155,395,579.20

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Solution

The fourth proportional to 167,488,814.40, 251,233,221.60 and 155,395,579.20 is: 233,093,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,488,814.40 : 251,233,221.60 = 155,395,579.20 : x
  2. Step 2: Convert to fraction form
    167,488,814.40/251,233,221.60 = 155,395,579.20/x
  3. Step 3: Cross multiply
    167,488,814.40x = 251,233,221.60 × 155,395,579.20
  4. Step 4: Simplify right side
    167,488,814.40x = 39,040,531,984,813,944
  5. Step 5: Solve for x
    x = 39,040,531,984,813,944/167,488,814.40
  6. Step 6: Final answer
    x = 233,093,368.80

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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.