Home / 248,886,405.76-343,411,961.52-143,019,372.64

Finding the Fourth Proportional to 248,886,405.76, 343,411,961.52 and 143,019,372.64

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Solution

The fourth proportional to 248,886,405.76, 343,411,961.52 and 143,019,372.64 is: 197,337,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,886,405.76 : 343,411,961.52 = 143,019,372.64 : x
  2. Step 2: Convert to fraction form
    248,886,405.76/343,411,961.52 = 143,019,372.64/x
  3. Step 3: Cross multiply
    248,886,405.76x = 343,411,961.52 × 143,019,372.64
  4. Step 4: Simplify right side
    248,886,405.76x = 49,114,563,293,662,216
  5. Step 5: Solve for x
    x = 49,114,563,293,662,216/248,886,405.76
  6. Step 6: Final answer
    x = 197,337,267.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.