Home / 125,964,250.40-188,827,489.20-68,371,623.20

Finding the Fourth Proportional to 125,964,250.40, 188,827,489.20 and 68,371,623.20

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Solution

The fourth proportional to 125,964,250.40, 188,827,489.20 and 68,371,623.20 is: 102,492,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,964,250.40 : 188,827,489.20 = 68,371,623.20 : x
  2. Step 2: Convert to fraction form
    125,964,250.40/188,827,489.20 = 68,371,623.20/x
  3. Step 3: Cross multiply
    125,964,250.40x = 188,827,489.20 × 68,371,623.20
  4. Step 4: Simplify right side
    125,964,250.40x = 12,910,441,941,384,470
  5. Step 5: Solve for x
    x = 12,910,441,941,384,470/125,964,250.40
  6. Step 6: Final answer
    x = 102,492,904.93

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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.