Home / 73,102,512.80-109,653,769.20-65,166,327.20

Finding the Fourth Proportional to 73,102,512.80, 109,653,769.20 and 65,166,327.20

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Solution

The fourth proportional to 73,102,512.80, 109,653,769.20 and 65,166,327.20 is: 97,749,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102,512.80 : 109,653,769.20 = 65,166,327.20 : x
  2. Step 2: Convert to fraction form
    73,102,512.80/109,653,769.20 = 65,166,327.20/x
  3. Step 3: Cross multiply
    73,102,512.80x = 109,653,769.20 × 65,166,327.20
  4. Step 4: Simplify right side
    73,102,512.80x = 7,145,733,402,400,483
  5. Step 5: Solve for x
    x = 7,145,733,402,400,483/73,102,512.80
  6. Step 6: Final answer
    x = 97,749,490.80

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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.