Home / 145,183,121.23-200,350,184.61-79,104,162.47

Finding the Fourth Proportional to 145,183,121.23, 200,350,184.61 and 79,104,162.47

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Solution

The fourth proportional to 145,183,121.23, 200,350,184.61 and 79,104,162.47 is: 109,162,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183,121.23 : 200,350,184.61 = 79,104,162.47 : x
  2. Step 2: Convert to fraction form
    145,183,121.23/200,350,184.61 = 79,104,162.47/x
  3. Step 3: Cross multiply
    145,183,121.23x = 200,350,184.61 × 79,104,162.47
  4. Step 4: Simplify right side
    145,183,121.23x = 15,848,533,554,713,678
  5. Step 5: Solve for x
    x = 15,848,533,554,713,678/145,183,121.23
  6. Step 6: Final answer
    x = 109,162,369.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.