Home / 131,148,630.05-196,848,916.28-66,525,404.45

Finding the Fourth Proportional to 131,148,630.05, 196,848,916.28 and 66,525,404.45

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Solution

The fourth proportional to 131,148,630.05, 196,848,916.28 and 66,525,404.45 is: 99,852,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148,630.05 : 196,848,916.28 = 66,525,404.45 : x
  2. Step 2: Convert to fraction form
    131,148,630.05/196,848,916.28 = 66,525,404.45/x
  3. Step 3: Cross multiply
    131,148,630.05x = 196,848,916.28 × 66,525,404.45
  4. Step 4: Simplify right side
    131,148,630.05x = 13,095,453,770,738,564
  5. Step 5: Solve for x
    x = 13,095,453,770,738,564/131,148,630.05
  6. Step 6: Final answer
    x = 99,852,005.82

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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.