Home / 125,049,050.42-172,568,702.78-69,295,402.11

Finding the Fourth Proportional to 125,049,050.42, 172,568,702.78 and 69,295,402.11

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Solution

The fourth proportional to 125,049,050.42, 172,568,702.78 and 69,295,402.11 is: 95,628,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,049,050.42 : 172,568,702.78 = 69,295,402.11 : x
  2. Step 2: Convert to fraction form
    125,049,050.42/172,568,702.78 = 69,295,402.11/x
  3. Step 3: Cross multiply
    125,049,050.42x = 172,568,702.78 × 69,295,402.11
  4. Step 4: Simplify right side
    125,049,050.42x = 11,958,217,650,007,424
  5. Step 5: Solve for x
    x = 11,958,217,650,007,424/125,049,050.42
  6. Step 6: Final answer
    x = 95,628,216.37

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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.