Home / 108,519,444.70-162,968,123.85-57,501,108.70

Finding the Fourth Proportional to 108,519,444.70, 162,968,123.85 and 57,501,108.70

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Solution

The fourth proportional to 108,519,444.70, 162,968,123.85 and 57,501,108.70 is: 86,351,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519,444.70 : 162,968,123.85 = 57,501,108.70 : x
  2. Step 2: Convert to fraction form
    108,519,444.70/162,968,123.85 = 57,501,108.70/x
  3. Step 3: Cross multiply
    108,519,444.70x = 162,968,123.85 × 57,501,108.70
  4. Step 4: Simplify right side
    108,519,444.70x = 9,370,847,804,133,912
  5. Step 5: Solve for x
    x = 9,370,847,804,133,912/108,519,444.70
  6. Step 6: Final answer
    x = 86,351,785.43

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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.