Home / 113,291,125.80-156,337,212.42-66,896,321.64

Finding the Fourth Proportional to 113,291,125.80, 156,337,212.42 and 66,896,321.64

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Solution

The fourth proportional to 113,291,125.80, 156,337,212.42 and 66,896,321.64 is: 92,314,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,291,125.80 : 156,337,212.42 = 66,896,321.64 : x
  2. Step 2: Convert to fraction form
    113,291,125.80/156,337,212.42 = 66,896,321.64/x
  3. Step 3: Cross multiply
    113,291,125.80x = 156,337,212.42 × 66,896,321.64
  4. Step 4: Simplify right side
    113,291,125.80x = 10,458,384,446,349,322
  5. Step 5: Solve for x
    x = 10,458,384,446,349,322/113,291,125.80
  6. Step 6: Final answer
    x = 92,314,242.38

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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.