Home / 321,039,880.68-443,037,302.82-174,362,164.68

Finding the Fourth Proportional to 321,039,880.68, 443,037,302.82 and 174,362,164.68

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Solution

The fourth proportional to 321,039,880.68, 443,037,302.82 and 174,362,164.68 is: 240,621,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,039,880.68 : 443,037,302.82 = 174,362,164.68 : x
  2. Step 2: Convert to fraction form
    321,039,880.68/443,037,302.82 = 174,362,164.68/x
  3. Step 3: Cross multiply
    321,039,880.68x = 443,037,302.82 × 174,362,164.68
  4. Step 4: Simplify right side
    321,039,880.68x = 77,248,943,153,683,872
  5. Step 5: Solve for x
    x = 77,248,943,153,683,872/321,039,880.68
  6. Step 6: Final answer
    x = 240,621,018.77

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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.