Home / 72,649,148.44-109,000,294.74-33,806,125.78

Finding the Fourth Proportional to 72,649,148.44, 109,000,294.74 and 33,806,125.78

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Solution

The fourth proportional to 72,649,148.44, 109,000,294.74 and 33,806,125.78 is: 50,721,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,649,148.44 : 109,000,294.74 = 33,806,125.78 : x
  2. Step 2: Convert to fraction form
    72,649,148.44/109,000,294.74 = 33,806,125.78/x
  3. Step 3: Cross multiply
    72,649,148.44x = 109,000,294.74 × 33,806,125.78
  4. Step 4: Simplify right side
    72,649,148.44x = 3,684,877,674,037,512.50
  5. Step 5: Solve for x
    x = 3,684,877,674,037,512.50/72,649,148.44
  6. Step 6: Final answer
    x = 50,721,553.56

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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.