Home / 121,295,114.40-181,942,671.60-108,194,109.60

Finding the Fourth Proportional to 121,295,114.40, 181,942,671.60 and 108,194,109.60

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Solution

The fourth proportional to 121,295,114.40, 181,942,671.60 and 108,194,109.60 is: 162,291,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,295,114.40 : 181,942,671.60 = 108,194,109.60 : x
  2. Step 2: Convert to fraction form
    121,295,114.40/181,942,671.60 = 108,194,109.60/x
  3. Step 3: Cross multiply
    121,295,114.40x = 181,942,671.60 × 108,194,109.60
  4. Step 4: Simplify right side
    121,295,114.40x = 19,685,125,352,007,204
  5. Step 5: Solve for x
    x = 19,685,125,352,007,204/121,295,114.40
  6. Step 6: Final answer
    x = 162,291,164.40

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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.