Home / 161,659,317.88-223,089,948.30-87,319,878.13

Finding the Fourth Proportional to 161,659,317.88, 223,089,948.30 and 87,319,878.13

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Solution

The fourth proportional to 161,659,317.88, 223,089,948.30 and 87,319,878.13 is: 120,501,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,317.88 : 223,089,948.30 = 87,319,878.13 : x
  2. Step 2: Convert to fraction form
    161,659,317.88/223,089,948.30 = 87,319,878.13/x
  3. Step 3: Cross multiply
    161,659,317.88x = 223,089,948.30 × 87,319,878.13
  4. Step 4: Simplify right side
    161,659,317.88x = 19,480,187,097,584,000
  5. Step 5: Solve for x
    x = 19,480,187,097,584,000/161,659,317.88
  6. Step 6: Final answer
    x = 120,501,480.23

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