Home / 211,327,999.60-316,991,999.40-137,351,412.40

Finding the Fourth Proportional to 211,327,999.60, 316,991,999.40 and 137,351,412.40

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Solution

The fourth proportional to 211,327,999.60, 316,991,999.40 and 137,351,412.40 is: 206,027,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,327,999.60 : 316,991,999.40 = 137,351,412.40 : x
  2. Step 2: Convert to fraction form
    211,327,999.60/316,991,999.40 = 137,351,412.40/x
  3. Step 3: Cross multiply
    211,327,999.60x = 316,991,999.40 × 137,351,412.40
  4. Step 4: Simplify right side
    211,327,999.60x = 43,539,298,837,089,952
  5. Step 5: Solve for x
    x = 43,539,298,837,089,952/211,327,999.60
  6. Step 6: Final answer
    x = 206,027,118.60

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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.