Home / 133,385,620-184,072,155.60-72,338,836

Finding the Fourth Proportional to 133,385,620, 184,072,155.60 and 72,338,836

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Solution

The fourth proportional to 133,385,620, 184,072,155.60 and 72,338,836 is: 99,827,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,620 : 184,072,155.60 = 72,338,836 : x
  2. Step 2: Convert to fraction form
    133,385,620/184,072,155.60 = 72,338,836/x
  3. Step 3: Cross multiply
    133,385,620x = 184,072,155.60 × 72,338,836
  4. Step 4: Simplify right side
    133,385,620x = 13,315,565,476,114,882
  5. Step 5: Solve for x
    x = 13,315,565,476,114,882/133,385,620
  6. Step 6: Final answer
    x = 99,827,593.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.