Home / 100,432,821.60-150,611,907.60-39,836,008.80

Finding the Fourth Proportional to 100,432,821.60, 150,611,907.60 and 39,836,008.80

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Solution

The fourth proportional to 100,432,821.60, 150,611,907.60 and 39,836,008.80 is: 59,739,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432,821.60 : 150,611,907.60 = 39,836,008.80 : x
  2. Step 2: Convert to fraction form
    100,432,821.60/150,611,907.60 = 39,836,008.80/x
  3. Step 3: Cross multiply
    100,432,821.60x = 150,611,907.60 × 39,836,008.80
  4. Step 4: Simplify right side
    100,432,821.60x = 5,999,777,276,538,386
  5. Step 5: Solve for x
    x = 5,999,777,276,538,386/100,432,821.60
  6. Step 6: Final answer
    x = 59,739,208.57

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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.