Home / 155,682,289,727.72-233,499,839,550.24-42,370,845,640.84

Finding the Fourth Proportional to 155,682,289,727.72, 233,499,839,550.24 and 42,370,845,640.84

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Solution

The fourth proportional to 155,682,289,727.72, 233,499,839,550.24 and 42,370,845,640.84 is: 63,549,846,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,682,289,727.72 : 233,499,839,550.24 = 42,370,845,640.84 : x
  2. Step 2: Convert to fraction form
    155,682,289,727.72/233,499,839,550.24 = 42,370,845,640.84/x
  3. Step 3: Cross multiply
    155,682,289,727.72x = 233,499,839,550.24 × 42,370,845,640.84
  4. Step 4: Simplify right side
    155,682,289,727.72x = 9,893,585,658,744,124,997,632
  5. Step 5: Solve for x
    x = 9,893,585,658,744,124,997,632/155,682,289,727.72
  6. Step 6: Final answer
    x = 63,549,846,781.21

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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.