Home / 125,239,912.58-172,825,223.91-69,484,739.61

Finding the Fourth Proportional to 125,239,912.58, 172,825,223.91 and 69,484,739.61

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Solution

The fourth proportional to 125,239,912.58, 172,825,223.91 and 69,484,739.61 is: 95,885,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,239,912.58 : 172,825,223.91 = 69,484,739.61 : x
  2. Step 2: Convert to fraction form
    125,239,912.58/172,825,223.91 = 69,484,739.61/x
  3. Step 3: Cross multiply
    125,239,912.58x = 172,825,223.91 × 69,484,739.61
  4. Step 4: Simplify right side
    125,239,912.58x = 12,008,715,681,426,296
  5. Step 5: Solve for x
    x = 12,008,715,681,426,296/125,239,912.58
  6. Step 6: Final answer
    x = 95,885,691.98

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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.