Home / 154,072,608.45-212,901,732.37-112,183,702.34

Finding the Fourth Proportional to 154,072,608.45, 212,901,732.37 and 112,183,702.34

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Solution

The fourth proportional to 154,072,608.45, 212,901,732.37 and 112,183,702.34 is: 155,018,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,072,608.45 : 212,901,732.37 = 112,183,702.34 : x
  2. Step 2: Convert to fraction form
    154,072,608.45/212,901,732.37 = 112,183,702.34/x
  3. Step 3: Cross multiply
    154,072,608.45x = 212,901,732.37 × 112,183,702.34
  4. Step 4: Simplify right side
    154,072,608.45x = 23,884,104,571,866,424
  5. Step 5: Solve for x
    x = 23,884,104,571,866,424/154,072,608.45
  6. Step 6: Final answer
    x = 155,018,499.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.