Home / 217,731,623.20-326,597,434.80-74,124,455.20

Finding the Fourth Proportional to 217,731,623.20, 326,597,434.80 and 74,124,455.20

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Solution

The fourth proportional to 217,731,623.20, 326,597,434.80 and 74,124,455.20 is: 111,186,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,731,623.20 : 326,597,434.80 = 74,124,455.20 : x
  2. Step 2: Convert to fraction form
    217,731,623.20/326,597,434.80 = 74,124,455.20/x
  3. Step 3: Cross multiply
    217,731,623.20x = 326,597,434.80 × 74,124,455.20
  4. Step 4: Simplify right side
    217,731,623.20x = 24,208,856,924,267,524
  5. Step 5: Solve for x
    x = 24,208,856,924,267,524/217,731,623.20
  6. Step 6: Final answer
    x = 111,186,682.80

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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.