Home / 217,310,687.40-325,966,031.10-202,005,186.60

Finding the Fourth Proportional to 217,310,687.40, 325,966,031.10 and 202,005,186.60

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Solution

The fourth proportional to 217,310,687.40, 325,966,031.10 and 202,005,186.60 is: 303,007,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,310,687.40 : 325,966,031.10 = 202,005,186.60 : x
  2. Step 2: Convert to fraction form
    217,310,687.40/325,966,031.10 = 202,005,186.60/x
  3. Step 3: Cross multiply
    217,310,687.40x = 325,966,031.10 × 202,005,186.60
  4. Step 4: Simplify right side
    217,310,687.40x = 65,846,828,937,616,904
  5. Step 5: Solve for x
    x = 65,846,828,937,616,904/217,310,687.40
  6. Step 6: Final answer
    x = 303,007,779.90

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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.