Home / 254,983,315.70-382,474,973.55-82,583,855.30

Finding the Fourth Proportional to 254,983,315.70, 382,474,973.55 and 82,583,855.30

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Solution

The fourth proportional to 254,983,315.70, 382,474,973.55 and 82,583,855.30 is: 123,875,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,983,315.70 : 382,474,973.55 = 82,583,855.30 : x
  2. Step 2: Convert to fraction form
    254,983,315.70/382,474,973.55 = 82,583,855.30/x
  3. Step 3: Cross multiply
    254,983,315.70x = 382,474,973.55 × 82,583,855.30
  4. Step 4: Simplify right side
    254,983,315.70x = 31,586,257,871,524,528
  5. Step 5: Solve for x
    x = 31,586,257,871,524,528/254,983,315.70
  6. Step 6: Final answer
    x = 123,875,782.95

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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.