Home / 247,320,415.80-370,980,623.70-65,585,964.60

Finding the Fourth Proportional to 247,320,415.80, 370,980,623.70 and 65,585,964.60

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Solution

The fourth proportional to 247,320,415.80, 370,980,623.70 and 65,585,964.60 is: 98,378,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,320,415.80 : 370,980,623.70 = 65,585,964.60 : x
  2. Step 2: Convert to fraction form
    247,320,415.80/370,980,623.70 = 65,585,964.60/x
  3. Step 3: Cross multiply
    247,320,415.80x = 370,980,623.70 × 65,585,964.60
  4. Step 4: Simplify right side
    247,320,415.80x = 24,331,122,053,274,120
  5. Step 5: Solve for x
    x = 24,331,122,053,274,120/247,320,415.80
  6. Step 6: Final answer
    x = 98,378,946.90

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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.