Home / 231,112,619.03-318,901,354.37-140,539,904.42

Finding the Fourth Proportional to 231,112,619.03, 318,901,354.37 and 140,539,904.42

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Solution

The fourth proportional to 231,112,619.03, 318,901,354.37 and 140,539,904.42 is: 193,924,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,112,619.03 : 318,901,354.37 = 140,539,904.42 : x
  2. Step 2: Convert to fraction form
    231,112,619.03/318,901,354.37 = 140,539,904.42/x
  3. Step 3: Cross multiply
    231,112,619.03x = 318,901,354.37 × 140,539,904.42
  4. Step 4: Simplify right side
    231,112,619.03x = 44,818,365,860,994,928
  5. Step 5: Solve for x
    x = 44,818,365,860,994,928/231,112,619.03
  6. Step 6: Final answer
    x = 193,924,356.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.