Home / 170,684,045.67-255,922,392.49-66,928,950.90

Finding the Fourth Proportional to 170,684,045.67, 255,922,392.49 and 66,928,950.90

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Solution

The fourth proportional to 170,684,045.67, 255,922,392.49 and 66,928,950.90 is: 100,352,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,684,045.67 : 255,922,392.49 = 66,928,950.90 : x
  2. Step 2: Convert to fraction form
    170,684,045.67/255,922,392.49 = 66,928,950.90/x
  3. Step 3: Cross multiply
    170,684,045.67x = 255,922,392.49 × 66,928,950.90
  4. Step 4: Simplify right side
    170,684,045.67x = 17,128,617,240,363,926
  5. Step 5: Solve for x
    x = 17,128,617,240,363,926/170,684,045.67
  6. Step 6: Final answer
    x = 100,352,772.71

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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.