Home / 210,384,990.40-315,577,485.60-202,322,833.60

Finding the Fourth Proportional to 210,384,990.40, 315,577,485.60 and 202,322,833.60

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Solution

The fourth proportional to 210,384,990.40, 315,577,485.60 and 202,322,833.60 is: 303,484,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,990.40 : 315,577,485.60 = 202,322,833.60 : x
  2. Step 2: Convert to fraction form
    210,384,990.40/315,577,485.60 = 202,322,833.60/x
  3. Step 3: Cross multiply
    210,384,990.40x = 315,577,485.60 × 202,322,833.60
  4. Step 4: Simplify right side
    210,384,990.40x = 63,848,531,106,955,200
  5. Step 5: Solve for x
    x = 63,848,531,106,955,200/210,384,990.40
  6. Step 6: Final answer
    x = 303,484,250.40

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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.