Home / 125,301,170.52-188,136,257.76-70,077,201.84

Finding the Fourth Proportional to 125,301,170.52, 188,136,257.76 and 70,077,201.84

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Solution

The fourth proportional to 125,301,170.52, 188,136,257.76 and 70,077,201.84 is: 105,218,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301,170.52 : 188,136,257.76 = 70,077,201.84 : x
  2. Step 2: Convert to fraction form
    125,301,170.52/188,136,257.76 = 70,077,201.84/x
  3. Step 3: Cross multiply
    125,301,170.52x = 188,136,257.76 × 70,077,201.84
  4. Step 4: Simplify right side
    125,301,170.52x = 13,184,062,508,469,786
  5. Step 5: Solve for x
    x = 13,184,062,508,469,786/125,301,170.52
  6. Step 6: Final answer
    x = 105,218,989.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.