Home / 287,485,086.35-397,056,672.35-193,235,604.00

Finding the Fourth Proportional to 287,485,086.35, 397,056,672.35 and 193,235,604.00

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Solution

The fourth proportional to 287,485,086.35, 397,056,672.35 and 193,235,604.00 is: 266,885,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,485,086.35 : 397,056,672.35 = 193,235,604.00 : x
  2. Step 2: Convert to fraction form
    287,485,086.35/397,056,672.35 = 193,235,604.00/x
  3. Step 3: Cross multiply
    287,485,086.35x = 397,056,672.35 × 193,235,604.00
  4. Step 4: Simplify right side
    287,485,086.35x = 76,725,485,902,306,624
  5. Step 5: Solve for x
    x = 76,725,485,902,306,624/287,485,086.35
  6. Step 6: Final answer
    x = 266,885,099.59

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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.