Home / 408,218,523.66-612,330,225.33-101,510,636.58

Finding the Fourth Proportional to 408,218,523.66, 612,330,225.33 and 101,510,636.58

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Solution

The fourth proportional to 408,218,523.66, 612,330,225.33 and 101,510,636.58 is: 152,266,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,218,523.66 : 612,330,225.33 = 101,510,636.58 : x
  2. Step 2: Convert to fraction form
    408,218,523.66/612,330,225.33 = 101,510,636.58/x
  3. Step 3: Cross multiply
    408,218,523.66x = 612,330,225.33 × 101,510,636.58
  4. Step 4: Simplify right side
    408,218,523.66x = 62,158,030,970,423,144
  5. Step 5: Solve for x
    x = 62,158,030,970,423,144/408,218,523.66
  6. Step 6: Final answer
    x = 152,266,561.58

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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.