Home / 245,855,690.20-368,802,197.70-73,319,037.40

Finding the Fourth Proportional to 245,855,690.20, 368,802,197.70 and 73,319,037.40

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Solution

The fourth proportional to 245,855,690.20, 368,802,197.70 and 73,319,037.40 is: 109,984,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,855,690.20 : 368,802,197.70 = 73,319,037.40 : x
  2. Step 2: Convert to fraction form
    245,855,690.20/368,802,197.70 = 73,319,037.40/x
  3. Step 3: Cross multiply
    245,855,690.20x = 368,802,197.70 × 73,319,037.40
  4. Step 4: Simplify right side
    245,855,690.20x = 27,040,222,126,368,496
  5. Step 5: Solve for x
    x = 27,040,222,126,368,496/245,855,690.20
  6. Step 6: Final answer
    x = 109,984,121.60

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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.