Home / 194,620,931.72-267,146,253.28-172,101,013.64

Finding the Fourth Proportional to 194,620,931.72, 267,146,253.28 and 172,101,013.64

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Solution

The fourth proportional to 194,620,931.72, 267,146,253.28 and 172,101,013.64 is: 236,234,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620,931.72 : 267,146,253.28 = 172,101,013.64 : x
  2. Step 2: Convert to fraction form
    194,620,931.72/267,146,253.28 = 172,101,013.64/x
  3. Step 3: Cross multiply
    194,620,931.72x = 267,146,253.28 × 172,101,013.64
  4. Step 4: Simplify right side
    194,620,931.72x = 45,976,140,979,616,168
  5. Step 5: Solve for x
    x = 45,976,140,979,616,168/194,620,931.72
  6. Step 6: Final answer
    x = 236,234,307.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.