Home / 321,041,728.56-443,039,852.90-174,364,012.56

Finding the Fourth Proportional to 321,041,728.56, 443,039,852.90 and 174,364,012.56

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Solution

The fourth proportional to 321,041,728.56, 443,039,852.90 and 174,364,012.56 is: 240,623,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,041,728.56 : 443,039,852.90 = 174,364,012.56 : x
  2. Step 2: Convert to fraction form
    321,041,728.56/443,039,852.90 = 174,364,012.56/x
  3. Step 3: Cross multiply
    321,041,728.56x = 443,039,852.90 × 174,364,012.56
  4. Step 4: Simplify right side
    321,041,728.56x = 77,250,206,475,636,144
  5. Step 5: Solve for x
    x = 77,250,206,475,636,144/321,041,728.56
  6. Step 6: Final answer
    x = 240,623,568.85

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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.