Home / 127,938,682.89-191,908,586.55-40,500,629.41

Finding the Fourth Proportional to 127,938,682.89, 191,908,586.55 and 40,500,629.41

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Solution

The fourth proportional to 127,938,682.89, 191,908,586.55 and 40,500,629.41 is: 60,751,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938,682.89 : 191,908,586.55 = 40,500,629.41 : x
  2. Step 2: Convert to fraction form
    127,938,682.89/191,908,586.55 = 40,500,629.41/x
  3. Step 3: Cross multiply
    127,938,682.89x = 191,908,586.55 × 40,500,629.41
  4. Step 4: Simplify right side
    127,938,682.89x = 7,772,418,544,458,460
  5. Step 5: Solve for x
    x = 7,772,418,544,458,460/127,938,682.89
  6. Step 6: Final answer
    x = 60,751,122.09

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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.