Home / 132,407,999.20-198,611,998.80-59,659,631.20

Finding the Fourth Proportional to 132,407,999.20, 198,611,998.80 and 59,659,631.20

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Solution

The fourth proportional to 132,407,999.20, 198,611,998.80 and 59,659,631.20 is: 89,489,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,407,999.20 : 198,611,998.80 = 59,659,631.20 : x
  2. Step 2: Convert to fraction form
    132,407,999.20/198,611,998.80 = 59,659,631.20/x
  3. Step 3: Cross multiply
    132,407,999.20x = 198,611,998.80 × 59,659,631.20
  4. Step 4: Simplify right side
    132,407,999.20x = 11,849,118,600,302,844
  5. Step 5: Solve for x
    x = 11,849,118,600,302,844/132,407,999.20
  6. Step 6: Final answer
    x = 89,489,446.80

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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.