Home / 121,277,400.60-181,916,100.90-102,145,524.60

Finding the Fourth Proportional to 121,277,400.60, 181,916,100.90 and 102,145,524.60

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Solution

The fourth proportional to 121,277,400.60, 181,916,100.90 and 102,145,524.60 is: 153,218,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,400.60 : 181,916,100.90 = 102,145,524.60 : x
  2. Step 2: Convert to fraction form
    121,277,400.60/181,916,100.90 = 102,145,524.60/x
  3. Step 3: Cross multiply
    121,277,400.60x = 181,916,100.90 × 102,145,524.60
  4. Step 4: Simplify right side
    121,277,400.60x = 18,581,915,559,617,032
  5. Step 5: Solve for x
    x = 18,581,915,559,617,032/121,277,400.60
  6. Step 6: Final answer
    x = 153,218,286.90

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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.