Home / 111,709,056,586.80-167,645,214,217.80-78,649,174,858.80

Finding the Fourth Proportional to 111,709,056,586.80, 167,645,214,217.80 and 78,649,174,858.80

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Solution

The fourth proportional to 111,709,056,586.80, 167,645,214,217.80 and 78,649,174,858.80 is: 118,031,233,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,709,056,586.80 : 167,645,214,217.80 = 78,649,174,858.80 : x
  2. Step 2: Convert to fraction form
    111,709,056,586.80/167,645,214,217.80 = 78,649,174,858.80/x
  3. Step 3: Cross multiply
    111,709,056,586.80x = 167,645,214,217.80 × 78,649,174,858.80
  4. Step 4: Simplify right side
    111,709,056,586.80x = 13,185,157,767,256,734,695,424
  5. Step 5: Solve for x
    x = 13,185,157,767,256,734,695,424/111,709,056,586.80
  6. Step 6: Final answer
    x = 118,031,233,725.55

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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.