Home / 73,138,235.40-109,707,353.10-65,202,049.80

Finding the Fourth Proportional to 73,138,235.40, 109,707,353.10 and 65,202,049.80

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Solution

The fourth proportional to 73,138,235.40, 109,707,353.10 and 65,202,049.80 is: 97,803,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,138,235.40 : 109,707,353.10 = 65,202,049.80 : x
  2. Step 2: Convert to fraction form
    73,138,235.40/109,707,353.10 = 65,202,049.80/x
  3. Step 3: Cross multiply
    73,138,235.40x = 109,707,353.10 × 65,202,049.80
  4. Step 4: Simplify right side
    73,138,235.40x = 7,153,144,300,252,384
  5. Step 5: Solve for x
    x = 7,153,144,300,252,384/73,138,235.40
  6. Step 6: Final answer
    x = 97,803,074.70

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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.