Home / 298,637,064.53-447,957,013.62-91,375,144.59

Finding the Fourth Proportional to 298,637,064.53, 447,957,013.62 and 91,375,144.59

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Solution

The fourth proportional to 298,637,064.53, 447,957,013.62 and 91,375,144.59 is: 137,063,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,637,064.53 : 447,957,013.62 = 91,375,144.59 : x
  2. Step 2: Convert to fraction form
    298,637,064.53/447,957,013.62 = 91,375,144.59/x
  3. Step 3: Cross multiply
    298,637,064.53x = 447,957,013.62 × 91,375,144.59
  4. Step 4: Simplify right side
    298,637,064.53x = 40,932,136,889,287,208
  5. Step 5: Solve for x
    x = 40,932,136,889,287,208/298,637,064.53
  6. Step 6: Final answer
    x = 137,063,150.40

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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.