Home / 321,039,902.37-443,037,332.75-174,362,186.37

Finding the Fourth Proportional to 321,039,902.37, 443,037,332.75 and 174,362,186.37

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Solution

The fourth proportional to 321,039,902.37, 443,037,332.75 and 174,362,186.37 is: 240,621,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,039,902.37 : 443,037,332.75 = 174,362,186.37 : x
  2. Step 2: Convert to fraction form
    321,039,902.37/443,037,332.75 = 174,362,186.37/x
  3. Step 3: Cross multiply
    321,039,902.37x = 443,037,332.75 × 174,362,186.37
  4. Step 4: Simplify right side
    321,039,902.37x = 77,248,957,981,823,200
  5. Step 5: Solve for x
    x = 77,248,957,981,823,200/321,039,902.37
  6. Step 6: Final answer
    x = 240,621,048.70

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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.