Home / 100,432,812.60-150,611,894.10-39,835,999.80

Finding the Fourth Proportional to 100,432,812.60, 150,611,894.10 and 39,835,999.80

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Solution

The fourth proportional to 100,432,812.60, 150,611,894.10 and 39,835,999.80 is: 59,739,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432,812.60 : 150,611,894.10 = 39,835,999.80 : x
  2. Step 2: Convert to fraction form
    100,432,812.60/150,611,894.10 = 39,835,999.80/x
  3. Step 3: Cross multiply
    100,432,812.60x = 150,611,894.10 × 39,835,999.80
  4. Step 4: Simplify right side
    100,432,812.60x = 5,999,775,383,245,220
  5. Step 5: Solve for x
    x = 5,999,775,383,245,220/100,432,812.60
  6. Step 6: Final answer
    x = 59,739,195.07

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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.