Home / 142,034,748.83-213,113,500.38-76,379,147.84

Finding the Fourth Proportional to 142,034,748.83, 213,113,500.38 and 76,379,147.84

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Solution

The fourth proportional to 142,034,748.83, 213,113,500.38 and 76,379,147.84 is: 114,601,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,034,748.83 : 213,113,500.38 = 76,379,147.84 : x
  2. Step 2: Convert to fraction form
    142,034,748.83/213,113,500.38 = 76,379,147.84/x
  3. Step 3: Cross multiply
    142,034,748.83x = 213,113,500.38 × 76,379,147.84
  4. Step 4: Simplify right side
    142,034,748.83x = 16,277,427,552,223,916
  5. Step 5: Solve for x
    x = 16,277,427,552,223,916/142,034,748.83
  6. Step 6: Final answer
    x = 114,601,727.30

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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.