Home / 108,252,887.70-149,244,462.72-85,999,710.72

Finding the Fourth Proportional to 108,252,887.70, 149,244,462.72 and 85,999,710.72

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Solution

The fourth proportional to 108,252,887.70, 149,244,462.72 and 85,999,710.72 is: 118,564,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,252,887.70 : 149,244,462.72 = 85,999,710.72 : x
  2. Step 2: Convert to fraction form
    108,252,887.70/149,244,462.72 = 85,999,710.72/x
  3. Step 3: Cross multiply
    108,252,887.70x = 149,244,462.72 × 85,999,710.72
  4. Step 4: Simplify right side
    108,252,887.70x = 12,834,980,620,481,824
  5. Step 5: Solve for x
    x = 12,834,980,620,481,824/108,252,887.70
  6. Step 6: Final answer
    x = 118,564,787.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.