Home / 135,590,596.80-203,385,895.20-71,889,604.80

Finding the Fourth Proportional to 135,590,596.80, 203,385,895.20 and 71,889,604.80

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Solution

The fourth proportional to 135,590,596.80, 203,385,895.20 and 71,889,604.80 is: 107,834,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,590,596.80 : 203,385,895.20 = 71,889,604.80 : x
  2. Step 2: Convert to fraction form
    135,590,596.80/203,385,895.20 = 71,889,604.80/x
  3. Step 3: Cross multiply
    135,590,596.80x = 203,385,895.20 × 71,889,604.80
  4. Step 4: Simplify right side
    135,590,596.80x = 14,621,331,627,822,216
  5. Step 5: Solve for x
    x = 14,621,331,627,822,216/135,590,596.80
  6. Step 6: Final answer
    x = 107,834,407.20

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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.