Home / 179,285,990.31-247,408,134.57-99,896,949.90

Finding the Fourth Proportional to 179,285,990.31, 247,408,134.57 and 99,896,949.90

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Solution

The fourth proportional to 179,285,990.31, 247,408,134.57 and 99,896,949.90 is: 137,854,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285,990.31 : 247,408,134.57 = 99,896,949.90 : x
  2. Step 2: Convert to fraction form
    179,285,990.31/247,408,134.57 = 99,896,949.90/x
  3. Step 3: Cross multiply
    179,285,990.31x = 247,408,134.57 × 99,896,949.90
  4. Step 4: Simplify right side
    179,285,990.31x = 24,715,318,023,622,968
  5. Step 5: Solve for x
    x = 24,715,318,023,622,968/179,285,990.31
  6. Step 6: Final answer
    x = 137,854,151.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.