Home / 254,983,007.70-382,474,511.55-82,583,547.30

Finding the Fourth Proportional to 254,983,007.70, 382,474,511.55 and 82,583,547.30

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Solution

The fourth proportional to 254,983,007.70, 382,474,511.55 and 82,583,547.30 is: 123,875,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,983,007.70 : 382,474,511.55 = 82,583,547.30 : x
  2. Step 2: Convert to fraction form
    254,983,007.70/382,474,511.55 = 82,583,547.30/x
  3. Step 3: Cross multiply
    254,983,007.70x = 382,474,511.55 × 82,583,547.30
  4. Step 4: Simplify right side
    254,983,007.70x = 31,586,101,915,633,820
  5. Step 5: Solve for x
    x = 31,586,101,915,633,820/254,983,007.70
  6. Step 6: Final answer
    x = 123,875,320.95

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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.