Home / 230,572,135.40-345,858,203.10-208,331,329.55

Finding the Fourth Proportional to 230,572,135.40, 345,858,203.10 and 208,331,329.55

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Solution

The fourth proportional to 230,572,135.40, 345,858,203.10 and 208,331,329.55 is: 312,496,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,572,135.40 : 345,858,203.10 = 208,331,329.55 : x
  2. Step 2: Convert to fraction form
    230,572,135.40/345,858,203.10 = 208,331,329.55/x
  3. Step 3: Cross multiply
    230,572,135.40x = 345,858,203.10 × 208,331,329.55
  4. Step 4: Simplify right side
    230,572,135.40x = 72,053,099,287,596,944
  5. Step 5: Solve for x
    x = 72,053,099,287,596,944/230,572,135.40
  6. Step 6: Final answer
    x = 312,496,994.33

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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.