Home / 121,318,098.60-181,977,147.90-109,224,863.40

Finding the Fourth Proportional to 121,318,098.60, 181,977,147.90 and 109,224,863.40

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Solution

The fourth proportional to 121,318,098.60, 181,977,147.90 and 109,224,863.40 is: 163,837,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,318,098.60 : 181,977,147.90 = 109,224,863.40 : x
  2. Step 2: Convert to fraction form
    121,318,098.60/181,977,147.90 = 109,224,863.40/x
  3. Step 3: Cross multiply
    121,318,098.60x = 181,977,147.90 × 109,224,863.40
  4. Step 4: Simplify right side
    121,318,098.60x = 19,876,429,121,299,100
  5. Step 5: Solve for x
    x = 19,876,429,121,299,100/121,318,098.60
  6. Step 6: Final answer
    x = 163,837,295.10

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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.