Home / 317,993,799.48-476,990,865.54-99,661,146.06

Finding the Fourth Proportional to 317,993,799.48, 476,990,865.54 and 99,661,146.06

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Solution

The fourth proportional to 317,993,799.48, 476,990,865.54 and 99,661,146.06 is: 149,491,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,993,799.48 : 476,990,865.54 = 99,661,146.06 : x
  2. Step 2: Convert to fraction form
    317,993,799.48/476,990,865.54 = 99,661,146.06/x
  3. Step 3: Cross multiply
    317,993,799.48x = 476,990,865.54 × 99,661,146.06
  4. Step 4: Simplify right side
    317,993,799.48x = 47,537,456,319,867,768
  5. Step 5: Solve for x
    x = 47,537,456,319,867,768/317,993,799.48
  6. Step 6: Final answer
    x = 149,491,771.22

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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.