Home / 100,432,811.10-150,611,891.85-39,835,998.30

Finding the Fourth Proportional to 100,432,811.10, 150,611,891.85 and 39,835,998.30

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Solution

The fourth proportional to 100,432,811.10, 150,611,891.85 and 39,835,998.30 is: 59,739,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432,811.10 : 150,611,891.85 = 39,835,998.30 : x
  2. Step 2: Convert to fraction form
    100,432,811.10/150,611,891.85 = 39,835,998.30/x
  3. Step 3: Cross multiply
    100,432,811.10x = 150,611,891.85 × 39,835,998.30
  4. Step 4: Simplify right side
    100,432,811.10x = 5,999,775,067,696,383
  5. Step 5: Solve for x
    x = 5,999,775,067,696,383/100,432,811.10
  6. Step 6: Final answer
    x = 59,739,192.82

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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.