Home / 115,134,932.12-172,692,695.18-49,553,421.44

Finding the Fourth Proportional to 115,134,932.12, 172,692,695.18 and 49,553,421.44

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Solution

The fourth proportional to 115,134,932.12, 172,692,695.18 and 49,553,421.44 is: 74,325,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,134,932.12 : 172,692,695.18 = 49,553,421.44 : x
  2. Step 2: Convert to fraction form
    115,134,932.12/172,692,695.18 = 49,553,421.44/x
  3. Step 3: Cross multiply
    115,134,932.12x = 172,692,695.18 × 49,553,421.44
  4. Step 4: Simplify right side
    115,134,932.12x = 8,557,513,903,124,417
  5. Step 5: Solve for x
    x = 8,557,513,903,124,417/115,134,932.12
  6. Step 6: Final answer
    x = 74,325,956.04

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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.