Home / 312,854,875-469,282,313.18-166,846,084.52

Finding the Fourth Proportional to 312,854,875, 469,282,313.18 and 166,846,084.52

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Solution

The fourth proportional to 312,854,875, 469,282,313.18 and 166,846,084.52 is: 250,269,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,854,875 : 469,282,313.18 = 166,846,084.52 : x
  2. Step 2: Convert to fraction form
    312,854,875/469,282,313.18 = 166,846,084.52/x
  3. Step 3: Cross multiply
    312,854,875x = 469,282,313.18 × 166,846,084.52
  4. Step 4: Simplify right side
    312,854,875x = 78,297,916,488,571,392
  5. Step 5: Solve for x
    x = 78,297,916,488,571,392/312,854,875
  6. Step 6: Final answer
    x = 250,269,127.14

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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.