Home / 321,039,997.18-443,037,463.77-174,362,281.18

Finding the Fourth Proportional to 321,039,997.18, 443,037,463.77 and 174,362,281.18

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Solution

The fourth proportional to 321,039,997.18, 443,037,463.77 and 174,362,281.18 is: 240,621,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,039,997.18 : 443,037,463.77 = 174,362,281.18 : x
  2. Step 2: Convert to fraction form
    321,039,997.18/443,037,463.77 = 174,362,281.18/x
  3. Step 3: Cross multiply
    321,039,997.18x = 443,037,463.77 × 174,362,281.18
  4. Step 4: Simplify right side
    321,039,997.18x = 77,249,022,831,138,800
  5. Step 5: Solve for x
    x = 77,249,022,831,138,800/321,039,997.18
  6. Step 6: Final answer
    x = 240,621,179.63

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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.