Home / 186,570,102.30-257,549,310.45-120,522,811.56

Finding the Fourth Proportional to 186,570,102.30, 257,549,310.45 and 120,522,811.56

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Solution

The fourth proportional to 186,570,102.30, 257,549,310.45 and 120,522,811.56 is: 166,374,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570,102.30 : 257,549,310.45 = 120,522,811.56 : x
  2. Step 2: Convert to fraction form
    186,570,102.30/257,549,310.45 = 120,522,811.56/x
  3. Step 3: Cross multiply
    186,570,102.30x = 257,549,310.45 × 120,522,811.56
  4. Step 4: Simplify right side
    186,570,102.30x = 31,040,567,010,773,288
  5. Step 5: Solve for x
    x = 31,040,567,010,773,288/186,570,102.30
  6. Step 6: Final answer
    x = 166,374,819.05

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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.