Home / 221,069,367.60-331,604,051.40-199,546,007.10

Finding the Fourth Proportional to 221,069,367.60, 331,604,051.40 and 199,546,007.10

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Solution

The fourth proportional to 221,069,367.60, 331,604,051.40 and 199,546,007.10 is: 299,319,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,069,367.60 : 331,604,051.40 = 199,546,007.10 : x
  2. Step 2: Convert to fraction form
    221,069,367.60/331,604,051.40 = 199,546,007.10/x
  3. Step 3: Cross multiply
    221,069,367.60x = 331,604,051.40 × 199,546,007.10
  4. Step 4: Simplify right side
    221,069,367.60x = 66,170,264,395,053,160
  5. Step 5: Solve for x
    x = 66,170,264,395,053,160/221,069,367.60
  6. Step 6: Final answer
    x = 299,319,010.65

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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.