Home / 134,132,657.04-200,993,629.50-90,250,878.78

Finding the Fourth Proportional to 134,132,657.04, 200,993,629.50 and 90,250,878.78

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Solution

The fourth proportional to 134,132,657.04, 200,993,629.50 and 90,250,878.78 is: 135,238,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,132,657.04 : 200,993,629.50 = 90,250,878.78 : x
  2. Step 2: Convert to fraction form
    134,132,657.04/200,993,629.50 = 90,250,878.78/x
  3. Step 3: Cross multiply
    134,132,657.04x = 200,993,629.50 × 90,250,878.78
  4. Step 4: Simplify right side
    134,132,657.04x = 18,139,851,691,556,732
  5. Step 5: Solve for x
    x = 18,139,851,691,556,732/134,132,657.04
  6. Step 6: Final answer
    x = 135,238,144.77

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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.