Home / 75,172,759.70-112,759,139.55-36,909,007.70

Finding the Fourth Proportional to 75,172,759.70, 112,759,139.55 and 36,909,007.70

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Solution

The fourth proportional to 75,172,759.70, 112,759,139.55 and 36,909,007.70 is: 55,363,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,172,759.70 : 112,759,139.55 = 36,909,007.70 : x
  2. Step 2: Convert to fraction form
    75,172,759.70/112,759,139.55 = 36,909,007.70/x
  3. Step 3: Cross multiply
    75,172,759.70x = 112,759,139.55 × 36,909,007.70
  4. Step 4: Simplify right side
    75,172,759.70x = 4,161,827,949,896,325
  5. Step 5: Solve for x
    x = 4,161,827,949,896,325/75,172,759.70
  6. Step 6: Final answer
    x = 55,363,511.55

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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.