Home / 79,134,129.92-109,208,580.12-43,851,835.64

Finding the Fourth Proportional to 79,134,129.92, 109,208,580.12 and 43,851,835.64

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Solution

The fourth proportional to 79,134,129.92, 109,208,580.12 and 43,851,835.64 is: 60,517,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134,129.92 : 109,208,580.12 = 43,851,835.64 : x
  2. Step 2: Convert to fraction form
    79,134,129.92/109,208,580.12 = 43,851,835.64/x
  3. Step 3: Cross multiply
    79,134,129.92x = 109,208,580.12 × 43,851,835.64
  4. Step 4: Simplify right side
    79,134,129.92x = 4,788,996,705,353,969
  5. Step 5: Solve for x
    x = 4,788,996,705,353,969/79,134,129.92
  6. Step 6: Final answer
    x = 60,517,462.07

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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.