Home / 217,610,408.40-326,203,036.20-194,652,157.20

Finding the Fourth Proportional to 217,610,408.40, 326,203,036.20 and 194,652,157.20

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Solution

The fourth proportional to 217,610,408.40, 326,203,036.20 and 194,652,157.20 is: 291,788,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,610,408.40 : 326,203,036.20 = 194,652,157.20 : x
  2. Step 2: Convert to fraction form
    217,610,408.40/326,203,036.20 = 194,652,157.20/x
  3. Step 3: Cross multiply
    217,610,408.40x = 326,203,036.20 × 194,652,157.20
  4. Step 4: Simplify right side
    217,610,408.40x = 63,496,124,681,519,688
  5. Step 5: Solve for x
    x = 63,496,124,681,519,688/217,610,408.40
  6. Step 6: Final answer
    x = 291,788,086.56

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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.