Home / 209,952,203.20-314,928,304.80-145,237,998.40

Finding the Fourth Proportional to 209,952,203.20, 314,928,304.80 and 145,237,998.40

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Solution

The fourth proportional to 209,952,203.20, 314,928,304.80 and 145,237,998.40 is: 217,856,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,203.20 : 314,928,304.80 = 145,237,998.40 : x
  2. Step 2: Convert to fraction form
    209,952,203.20/314,928,304.80 = 145,237,998.40/x
  3. Step 3: Cross multiply
    209,952,203.20x = 314,928,304.80 × 145,237,998.40
  4. Step 4: Simplify right side
    209,952,203.20x = 45,739,556,628,657,112
  5. Step 5: Solve for x
    x = 45,739,556,628,657,112/209,952,203.20
  6. Step 6: Final answer
    x = 217,856,997.60

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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.