Home / 155,949,139.70-233,923,709.55-40,945,307.30

Finding the Fourth Proportional to 155,949,139.70, 233,923,709.55 and 40,945,307.30

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Solution

The fourth proportional to 155,949,139.70, 233,923,709.55 and 40,945,307.30 is: 61,417,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,949,139.70 : 233,923,709.55 = 40,945,307.30 : x
  2. Step 2: Convert to fraction form
    155,949,139.70/233,923,709.55 = 40,945,307.30/x
  3. Step 3: Cross multiply
    155,949,139.70x = 233,923,709.55 × 40,945,307.30
  4. Step 4: Simplify right side
    155,949,139.70x = 9,578,078,172,280,694
  5. Step 5: Solve for x
    x = 9,578,078,172,280,694/155,949,139.70
  6. Step 6: Final answer
    x = 61,417,960.95

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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.