Home / 79,115,905.70-118,673,858.55-48,504,904.10

Finding the Fourth Proportional to 79,115,905.70, 118,673,858.55 and 48,504,904.10

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Solution

The fourth proportional to 79,115,905.70, 118,673,858.55 and 48,504,904.10 is: 72,757,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115,905.70 : 118,673,858.55 = 48,504,904.10 : x
  2. Step 2: Convert to fraction form
    79,115,905.70/118,673,858.55 = 48,504,904.10/x
  3. Step 3: Cross multiply
    79,115,905.70x = 118,673,858.55 × 48,504,904.10
  4. Step 4: Simplify right side
    79,115,905.70x = 5,756,264,128,144,715
  5. Step 5: Solve for x
    x = 5,756,264,128,144,715/79,115,905.70
  6. Step 6: Final answer
    x = 72,757,356.15

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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.