Home / 217,610,410.40-326,203,039.20-194,652,159.20

Finding the Fourth Proportional to 217,610,410.40, 326,203,039.20 and 194,652,159.20

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Solution

The fourth proportional to 217,610,410.40, 326,203,039.20 and 194,652,159.20 is: 291,788,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,610,410.40 : 326,203,039.20 = 194,652,159.20 : x
  2. Step 2: Convert to fraction form
    217,610,410.40/326,203,039.20 = 194,652,159.20/x
  3. Step 3: Cross multiply
    217,610,410.40x = 326,203,039.20 × 194,652,159.20
  4. Step 4: Simplify right side
    217,610,410.40x = 63,496,125,917,882,232
  5. Step 5: Solve for x
    x = 63,496,125,917,882,232/217,610,410.40
  6. Step 6: Final answer
    x = 291,788,089.55

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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.