Home / 167,488,830.40-251,233,245.60-155,395,595.20

Finding the Fourth Proportional to 167,488,830.40, 251,233,245.60 and 155,395,595.20

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Solution

The fourth proportional to 167,488,830.40, 251,233,245.60 and 155,395,595.20 is: 233,093,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,488,830.40 : 251,233,245.60 = 155,395,595.20 : x
  2. Step 2: Convert to fraction form
    167,488,830.40/251,233,245.60 = 155,395,595.20/x
  3. Step 3: Cross multiply
    167,488,830.40x = 251,233,245.60 × 155,395,595.20
  4. Step 4: Simplify right side
    167,488,830.40x = 39,040,539,734,039,776
  5. Step 5: Solve for x
    x = 39,040,539,734,039,776/167,488,830.40
  6. Step 6: Final answer
    x = 233,093,392.80

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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.