Home / 122,112,007.70-171,410,307.10-122,112,007.70

Finding the Fourth Proportional to 122,112,007.70, 171,410,307.10 and 122,112,007.70

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Solution

The fourth proportional to 122,112,007.70, 171,410,307.10 and 122,112,007.70 is: 171,410,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,112,007.70 : 171,410,307.10 = 122,112,007.70 : x
  2. Step 2: Convert to fraction form
    122,112,007.70/171,410,307.10 = 122,112,007.70/x
  3. Step 3: Cross multiply
    122,112,007.70x = 171,410,307.10 × 122,112,007.70
  4. Step 4: Simplify right side
    122,112,007.70x = 20,931,256,740,454,564
  5. Step 5: Solve for x
    x = 20,931,256,740,454,564/122,112,007.70
  6. Step 6: Final answer
    x = 171,410,307.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.