Home / 121,294,869.40-181,942,304.10-108,193,864.60

Finding the Fourth Proportional to 121,294,869.40, 181,942,304.10 and 108,193,864.60

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Solution

The fourth proportional to 121,294,869.40, 181,942,304.10 and 108,193,864.60 is: 162,290,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294,869.40 : 181,942,304.10 = 108,193,864.60 : x
  2. Step 2: Convert to fraction form
    121,294,869.40/181,942,304.10 = 108,193,864.60/x
  3. Step 3: Cross multiply
    121,294,869.40x = 181,942,304.10 × 108,193,864.60
  4. Step 4: Simplify right side
    121,294,869.40x = 19,685,041,014,807,424
  5. Step 5: Solve for x
    x = 19,685,041,014,807,424/121,294,869.40
  6. Step 6: Final answer
    x = 162,290,796.90

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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.