Home / 209,952,533.20-314,928,799.80-133,362,043.60

Finding the Fourth Proportional to 209,952,533.20, 314,928,799.80 and 133,362,043.60

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Solution

The fourth proportional to 209,952,533.20, 314,928,799.80 and 133,362,043.60 is: 200,043,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,533.20 : 314,928,799.80 = 133,362,043.60 : x
  2. Step 2: Convert to fraction form
    209,952,533.20/314,928,799.80 = 133,362,043.60/x
  3. Step 3: Cross multiply
    209,952,533.20x = 314,928,799.80 × 133,362,043.60
  4. Step 4: Simplify right side
    209,952,533.20x = 41,999,548,329,823,272
  5. Step 5: Solve for x
    x = 41,999,548,329,823,272/209,952,533.20
  6. Step 6: Final answer
    x = 200,043,065.40

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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.