Home / 299,657,764.86-449,522,630.73-105,529,030.62

Finding the Fourth Proportional to 299,657,764.86, 449,522,630.73 and 105,529,030.62

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Solution

The fourth proportional to 299,657,764.86, 449,522,630.73 and 105,529,030.62 is: 158,306,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,657,764.86 : 449,522,630.73 = 105,529,030.62 : x
  2. Step 2: Convert to fraction form
    299,657,764.86/449,522,630.73 = 105,529,030.62/x
  3. Step 3: Cross multiply
    299,657,764.86x = 449,522,630.73 × 105,529,030.62
  4. Step 4: Simplify right side
    299,657,764.86x = 47,437,687,462,689,128
  5. Step 5: Solve for x
    x = 47,437,687,462,689,128/299,657,764.86
  6. Step 6: Final answer
    x = 158,306,218.04

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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.