Home / 131,328,512.70-196,992,769.05-35,590,400.70

Finding the Fourth Proportional to 131,328,512.70, 196,992,769.05 and 35,590,400.70

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Solution

The fourth proportional to 131,328,512.70, 196,992,769.05 and 35,590,400.70 is: 53,385,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,512.70 : 196,992,769.05 = 35,590,400.70 : x
  2. Step 2: Convert to fraction form
    131,328,512.70/196,992,769.05 = 35,590,400.70/x
  3. Step 3: Cross multiply
    131,328,512.70x = 196,992,769.05 × 35,590,400.70
  4. Step 4: Simplify right side
    131,328,512.70x = 7,011,051,585,492,059
  5. Step 5: Solve for x
    x = 7,011,051,585,492,059/131,328,512.70
  6. Step 6: Final answer
    x = 53,385,601.05

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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.