Home / 121,277,285.40-181,915,928.10-48,458,058.60

Finding the Fourth Proportional to 121,277,285.40, 181,915,928.10 and 48,458,058.60

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Solution

The fourth proportional to 121,277,285.40, 181,915,928.10 and 48,458,058.60 is: 72,687,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,285.40 : 181,915,928.10 = 48,458,058.60 : x
  2. Step 2: Convert to fraction form
    121,277,285.40/181,915,928.10 = 48,458,058.60/x
  3. Step 3: Cross multiply
    121,277,285.40x = 181,915,928.10 × 48,458,058.60
  4. Step 4: Simplify right side
    121,277,285.40x = 8,815,292,704,143,187
  5. Step 5: Solve for x
    x = 8,815,292,704,143,187/121,277,285.40
  6. Step 6: Final answer
    x = 72,687,087.90

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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.