Home / 178,947,313.78-246,918,485.06-100,626,197.62

Finding the Fourth Proportional to 178,947,313.78, 246,918,485.06 and 100,626,197.62

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Solution

The fourth proportional to 178,947,313.78, 246,918,485.06 and 100,626,197.62 is: 138,847,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,947,313.78 : 246,918,485.06 = 100,626,197.62 : x
  2. Step 2: Convert to fraction form
    178,947,313.78/246,918,485.06 = 100,626,197.62/x
  3. Step 3: Cross multiply
    178,947,313.78x = 246,918,485.06 × 100,626,197.62
  4. Step 4: Simplify right side
    178,947,313.78x = 24,846,468,273,678,580
  5. Step 5: Solve for x
    x = 24,846,468,273,678,580/178,947,313.78
  6. Step 6: Final answer
    x = 138,847,953.34

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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.