Home / 248,914,416.16-343,501,956.56-137,405,321.76

Finding the Fourth Proportional to 248,914,416.16, 343,501,956.56 and 137,405,321.76

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Solution

The fourth proportional to 248,914,416.16, 343,501,956.56 and 137,405,321.76 is: 189,619,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,914,416.16 : 343,501,956.56 = 137,405,321.76 : x
  2. Step 2: Convert to fraction form
    248,914,416.16/343,501,956.56 = 137,405,321.76/x
  3. Step 3: Cross multiply
    248,914,416.16x = 343,501,956.56 × 137,405,321.76
  4. Step 4: Simplify right side
    248,914,416.16x = 47,198,996,866,316,336
  5. Step 5: Solve for x
    x = 47,198,996,866,316,336/248,914,416.16
  6. Step 6: Final answer
    x = 189,619,378.40

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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.