Home / 120,006,580.33-165,608,199.16-67,794,667.21

Finding the Fourth Proportional to 120,006,580.33, 165,608,199.16 and 67,794,667.21

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Solution

The fourth proportional to 120,006,580.33, 165,608,199.16 and 67,794,667.21 is: 93,556,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,006,580.33 : 165,608,199.16 = 67,794,667.21 : x
  2. Step 2: Convert to fraction form
    120,006,580.33/165,608,199.16 = 67,794,667.21/x
  3. Step 3: Cross multiply
    120,006,580.33x = 165,608,199.16 × 67,794,667.21
  4. Step 4: Simplify right side
    120,006,580.33x = 11,227,352,749,299,600
  5. Step 5: Solve for x
    x = 11,227,352,749,299,600/120,006,580.33
  6. Step 6: Final answer
    x = 93,556,142.66

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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.