Home / 73,102,908.80-109,654,363.20-70,977,144.80

Finding the Fourth Proportional to 73,102,908.80, 109,654,363.20 and 70,977,144.80

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Solution

The fourth proportional to 73,102,908.80, 109,654,363.20 and 70,977,144.80 is: 106,465,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102,908.80 : 109,654,363.20 = 70,977,144.80 : x
  2. Step 2: Convert to fraction form
    73,102,908.80/109,654,363.20 = 70,977,144.80/x
  3. Step 3: Cross multiply
    73,102,908.80x = 109,654,363.20 × 70,977,144.80
  4. Step 4: Simplify right side
    73,102,908.80x = 7,782,953,614,798,191
  5. Step 5: Solve for x
    x = 7,782,953,614,798,191/73,102,908.80
  6. Step 6: Final answer
    x = 106,465,717.20

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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.