Home / 198,684,234.64-298,003,649.86-53,129,146.74

Finding the Fourth Proportional to 198,684,234.64, 298,003,649.86 and 53,129,146.74

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Solution

The fourth proportional to 198,684,234.64, 298,003,649.86 and 53,129,146.74 is: 79,687,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,684,234.64 : 298,003,649.86 = 53,129,146.74 : x
  2. Step 2: Convert to fraction form
    198,684,234.64/298,003,649.86 = 53,129,146.74/x
  3. Step 3: Cross multiply
    198,684,234.64x = 298,003,649.86 × 53,129,146.74
  4. Step 4: Simplify right side
    198,684,234.64x = 15,832,679,642,467,522
  5. Step 5: Solve for x
    x = 15,832,679,642,467,522/198,684,234.64
  6. Step 6: Final answer
    x = 79,687,649.46

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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.