Home / 121,277,379.40-181,916,069.10-48,458,152.60

Finding the Fourth Proportional to 121,277,379.40, 181,916,069.10 and 48,458,152.60

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Solution

The fourth proportional to 121,277,379.40, 181,916,069.10 and 48,458,152.60 is: 72,687,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,379.40 : 181,916,069.10 = 48,458,152.60 : x
  2. Step 2: Convert to fraction form
    121,277,379.40/181,916,069.10 = 48,458,152.60/x
  3. Step 3: Cross multiply
    121,277,379.40x = 181,916,069.10 × 48,458,152.60
  4. Step 4: Simplify right side
    121,277,379.40x = 8,815,316,636,839,945
  5. Step 5: Solve for x
    x = 8,815,316,636,839,945/121,277,379.40
  6. Step 6: Final answer
    x = 72,687,228.90

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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.