Home / 161,416,130.67-222,698,732.40-97,856,968.05

Finding the Fourth Proportional to 161,416,130.67, 222,698,732.40 and 97,856,968.05

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Solution

The fourth proportional to 161,416,130.67, 222,698,732.40 and 97,856,968.05 is: 135,008,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,416,130.67 : 222,698,732.40 = 97,856,968.05 : x
  2. Step 2: Convert to fraction form
    161,416,130.67/222,698,732.40 = 97,856,968.05/x
  3. Step 3: Cross multiply
    161,416,130.67x = 222,698,732.40 × 97,856,968.05
  4. Step 4: Simplify right side
    161,416,130.67x = 21,792,622,741,242,300
  5. Step 5: Solve for x
    x = 21,792,622,741,242,300/161,416,130.67
  6. Step 6: Final answer
    x = 135,008,952.64

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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.