Home / 145,183,170.78-200,350,252.89-79,104,212.10

Finding the Fourth Proportional to 145,183,170.78, 200,350,252.89 and 79,104,212.10

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Solution

The fourth proportional to 145,183,170.78, 200,350,252.89 and 79,104,212.10 is: 109,162,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183,170.78 : 200,350,252.89 = 79,104,212.10 : x
  2. Step 2: Convert to fraction form
    145,183,170.78/200,350,252.89 = 79,104,212.10/x
  3. Step 3: Cross multiply
    145,183,170.78x = 200,350,252.89 × 79,104,212.10
  4. Step 4: Simplify right side
    145,183,170.78x = 15,848,548,898,899,196
  5. Step 5: Solve for x
    x = 15,848,548,898,899,196/145,183,170.78
  6. Step 6: Final answer
    x = 109,162,438.14

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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.