Home / 217,818,380.40-326,727,570.60-168,500,655.60

Finding the Fourth Proportional to 217,818,380.40, 326,727,570.60 and 168,500,655.60

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Solution

The fourth proportional to 217,818,380.40, 326,727,570.60 and 168,500,655.60 is: 252,750,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,818,380.40 : 326,727,570.60 = 168,500,655.60 : x
  2. Step 2: Convert to fraction form
    217,818,380.40/326,727,570.60 = 168,500,655.60/x
  3. Step 3: Cross multiply
    217,818,380.40x = 326,727,570.60 × 168,500,655.60
  4. Step 4: Simplify right side
    217,818,380.40x = 55,053,809,848,695,288
  5. Step 5: Solve for x
    x = 55,053,809,848,695,288/217,818,380.40
  6. Step 6: Final answer
    x = 252,750,983.40

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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.