Home / 121,294,010.40-181,941,015.60-108,193,005.60

Finding the Fourth Proportional to 121,294,010.40, 181,941,015.60 and 108,193,005.60

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Solution

The fourth proportional to 121,294,010.40, 181,941,015.60 and 108,193,005.60 is: 162,289,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294,010.40 : 181,941,015.60 = 108,193,005.60 : x
  2. Step 2: Convert to fraction form
    121,294,010.40/181,941,015.60 = 108,193,005.60/x
  3. Step 3: Cross multiply
    121,294,010.40x = 181,941,015.60 × 108,193,005.60
  4. Step 4: Simplify right side
    121,294,010.40x = 19,684,745,319,680,484
  5. Step 5: Solve for x
    x = 19,684,745,319,680,484/121,294,010.40
  6. Step 6: Final answer
    x = 162,289,508.40

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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.