Home / 100,136,657.16-138,144,567.30-60,422,035.56

Finding the Fourth Proportional to 100,136,657.16, 138,144,567.30 and 60,422,035.56

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Solution

The fourth proportional to 100,136,657.16, 138,144,567.30 and 60,422,035.56 is: 83,355,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136,657.16 : 138,144,567.30 = 60,422,035.56 : x
  2. Step 2: Convert to fraction form
    100,136,657.16/138,144,567.30 = 60,422,035.56/x
  3. Step 3: Cross multiply
    100,136,657.16x = 138,144,567.30 × 60,422,035.56
  4. Step 4: Simplify right side
    100,136,657.16x = 8,346,975,957,821,414
  5. Step 5: Solve for x
    x = 8,346,975,957,821,414/100,136,657.16
  6. Step 6: Final answer
    x = 83,355,847.84

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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.