Home / 99,061,345.60-148,298,085.60-73,615,163.20

Finding the Fourth Proportional to 99,061,345.60, 148,298,085.60 and 73,615,163.20

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Solution

The fourth proportional to 99,061,345.60, 148,298,085.60 and 73,615,163.20 is: 110,204,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,061,345.60 : 148,298,085.60 = 73,615,163.20 : x
  2. Step 2: Convert to fraction form
    99,061,345.60/148,298,085.60 = 73,615,163.20/x
  3. Step 3: Cross multiply
    99,061,345.60x = 148,298,085.60 × 73,615,163.20
  4. Step 4: Simplify right side
    99,061,345.60x = 10,916,987,773,691,570
  5. Step 5: Solve for x
    x = 10,916,987,773,691,570/99,061,345.60
  6. Step 6: Final answer
    x = 110,204,315.39

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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.