Home / 254,983,281.20-382,474,921.80-82,583,820.80

Finding the Fourth Proportional to 254,983,281.20, 382,474,921.80 and 82,583,820.80

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Solution

The fourth proportional to 254,983,281.20, 382,474,921.80 and 82,583,820.80 is: 123,875,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,983,281.20 : 382,474,921.80 = 82,583,820.80 : x
  2. Step 2: Convert to fraction form
    254,983,281.20/382,474,921.80 = 82,583,820.80/x
  3. Step 3: Cross multiply
    254,983,281.20x = 382,474,921.80 × 82,583,820.80
  4. Step 4: Simplify right side
    254,983,281.20x = 31,586,240,402,425,212
  5. Step 5: Solve for x
    x = 31,586,240,402,425,212/254,983,281.20
  6. Step 6: Final answer
    x = 123,875,731.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.