Home / 321,039,997.68-443,037,464.46-174,362,281.68

Finding the Fourth Proportional to 321,039,997.68, 443,037,464.46 and 174,362,281.68

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Solution

The fourth proportional to 321,039,997.68, 443,037,464.46 and 174,362,281.68 is: 240,621,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,039,997.68 : 443,037,464.46 = 174,362,281.68 : x
  2. Step 2: Convert to fraction form
    321,039,997.68/443,037,464.46 = 174,362,281.68/x
  3. Step 3: Cross multiply
    321,039,997.68x = 443,037,464.46 × 174,362,281.68
  4. Step 4: Simplify right side
    321,039,997.68x = 77,249,023,172,967,504
  5. Step 5: Solve for x
    x = 77,249,023,172,967,504/321,039,997.68
  6. Step 6: Final answer
    x = 240,621,180.32

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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.