Home / 86,252,048,361.90-129,380,708,273.09-29,591,116,575.65

Finding the Fourth Proportional to 86,252,048,361.90, 129,380,708,273.09 and 29,591,116,575.65

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Solution

The fourth proportional to 86,252,048,361.90, 129,380,708,273.09 and 29,591,116,575.65 is: 44,387,579,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252,048,361.90 : 129,380,708,273.09 = 29,591,116,575.65 : x
  2. Step 2: Convert to fraction form
    86,252,048,361.90/129,380,708,273.09 = 29,591,116,575.65/x
  3. Step 3: Cross multiply
    86,252,048,361.90x = 129,380,708,273.09 × 29,591,116,575.65
  4. Step 4: Simplify right side
    86,252,048,361.90x = 3,828,519,621,148,782,100,480
  5. Step 5: Solve for x
    x = 3,828,519,621,148,782,100,480/86,252,048,361.90
  6. Step 6: Final answer
    x = 44,387,579,122.59

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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.