Home / 194,761,449,315.36-291,938,275,562.04-81,506,064,448.56

Finding the Fourth Proportional to 194,761,449,315.36, 291,938,275,562.04 and 81,506,064,448.56

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Solution

The fourth proportional to 194,761,449,315.36, 291,938,275,562.04 and 81,506,064,448.56 is: 122,173,766,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,761,449,315.36 : 291,938,275,562.04 = 81,506,064,448.56 : x
  2. Step 2: Convert to fraction form
    194,761,449,315.36/291,938,275,562.04 = 81,506,064,448.56/x
  3. Step 3: Cross multiply
    194,761,449,315.36x = 291,938,275,562.04 × 81,506,064,448.56
  4. Step 4: Simplify right side
    194,761,449,315.36x = 23,794,739,902,961,097,375,744
  5. Step 5: Solve for x
    x = 23,794,739,902,961,097,375,744/194,761,449,315.36
  6. Step 6: Final answer
    x = 122,173,766,865.09

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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.