Home / 248,176,163.60-372,264,245.40-209,912,411.60

Finding the Fourth Proportional to 248,176,163.60, 372,264,245.40 and 209,912,411.60

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Solution

The fourth proportional to 248,176,163.60, 372,264,245.40 and 209,912,411.60 is: 314,868,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,176,163.60 : 372,264,245.40 = 209,912,411.60 : x
  2. Step 2: Convert to fraction form
    248,176,163.60/372,264,245.40 = 209,912,411.60/x
  3. Step 3: Cross multiply
    248,176,163.60x = 372,264,245.40 × 209,912,411.60
  4. Step 4: Simplify right side
    248,176,163.60x = 78,142,885,504,368,192
  5. Step 5: Solve for x
    x = 78,142,885,504,368,192/248,176,163.60
  6. Step 6: Final answer
    x = 314,868,617.40

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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.