Home / 321,039,905.52-443,037,337.12-174,362,189.52

Finding the Fourth Proportional to 321,039,905.52, 443,037,337.12 and 174,362,189.52

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Solution

The fourth proportional to 321,039,905.52, 443,037,337.12 and 174,362,189.52 is: 240,621,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,039,905.52 : 443,037,337.12 = 174,362,189.52 : x
  2. Step 2: Convert to fraction form
    321,039,905.52/443,037,337.12 = 174,362,189.52/x
  3. Step 3: Cross multiply
    321,039,905.52x = 443,037,337.12 × 174,362,189.52
  4. Step 4: Simplify right side
    321,039,905.52x = 77,248,960,141,232,912
  5. Step 5: Solve for x
    x = 77,248,960,141,232,912/321,039,905.52
  6. Step 6: Final answer
    x = 240,621,053.06

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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.