Home / 321,039,901.40-443,037,331.43-174,362,185.40

Finding the Fourth Proportional to 321,039,901.40, 443,037,331.43 and 174,362,185.40

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Solution

The fourth proportional to 321,039,901.40, 443,037,331.43 and 174,362,185.40 is: 240,621,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,039,901.40 : 443,037,331.43 = 174,362,185.40 : x
  2. Step 2: Convert to fraction form
    321,039,901.40/443,037,331.43 = 174,362,185.40/x
  3. Step 3: Cross multiply
    321,039,901.40x = 443,037,331.43 × 174,362,185.40
  4. Step 4: Simplify right side
    321,039,901.40x = 77,248,957,318,831,920
  5. Step 5: Solve for x
    x = 77,248,957,318,831,920/321,039,901.40
  6. Step 6: Final answer
    x = 240,621,047.36

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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.