Home / 57,252,072.20-85,878,108.30-45,914,664.20

Finding the Fourth Proportional to 57,252,072.20, 85,878,108.30 and 45,914,664.20

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Solution

The fourth proportional to 57,252,072.20, 85,878,108.30 and 45,914,664.20 is: 68,871,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252,072.20 : 85,878,108.30 = 45,914,664.20 : x
  2. Step 2: Convert to fraction form
    57,252,072.20/85,878,108.30 = 45,914,664.20/x
  3. Step 3: Cross multiply
    57,252,072.20x = 85,878,108.30 × 45,914,664.20
  4. Step 4: Simplify right side
    57,252,072.20x = 3,943,064,504,725,733
  5. Step 5: Solve for x
    x = 3,943,064,504,725,733/57,252,072.20
  6. Step 6: Final answer
    x = 68,871,996.30

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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.