Home / 145,183,141.20-200,350,212.24-79,104,182.48

Finding the Fourth Proportional to 145,183,141.20, 200,350,212.24 and 79,104,182.48

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Solution

The fourth proportional to 145,183,141.20, 200,350,212.24 and 79,104,182.48 is: 109,162,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183,141.20 : 200,350,212.24 = 79,104,182.48 : x
  2. Step 2: Convert to fraction form
    145,183,141.20/200,350,212.24 = 79,104,182.48/x
  3. Step 3: Cross multiply
    145,183,141.20x = 200,350,212.24 × 79,104,182.48
  4. Step 4: Simplify right side
    145,183,141.20x = 15,848,539,748,939,692
  5. Step 5: Solve for x
    x = 15,848,539,748,939,692/145,183,141.20
  6. Step 6: Final answer
    x = 109,162,397.36

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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.