Home / 127,090,984.56-190,700,862.24-57,996,131.28

Finding the Fourth Proportional to 127,090,984.56, 190,700,862.24 and 57,996,131.28

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Solution

The fourth proportional to 127,090,984.56, 190,700,862.24 and 57,996,131.28 is: 87,023,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090,984.56 : 190,700,862.24 = 57,996,131.28 : x
  2. Step 2: Convert to fraction form
    127,090,984.56/190,700,862.24 = 57,996,131.28/x
  3. Step 3: Cross multiply
    127,090,984.56x = 190,700,862.24 × 57,996,131.28
  4. Step 4: Simplify right side
    127,090,984.56x = 11,059,912,241,680,236
  5. Step 5: Solve for x
    x = 11,059,912,241,680,236/127,090,984.56
  6. Step 6: Final answer
    x = 87,023,578.27

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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.