Home / 166,032,321.40-248,376,635.70-145,876,929.40

Finding the Fourth Proportional to 166,032,321.40, 248,376,635.70 and 145,876,929.40

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Solution

The fourth proportional to 166,032,321.40, 248,376,635.70 and 145,876,929.40 is: 218,225,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032,321.40 : 248,376,635.70 = 145,876,929.40 : x
  2. Step 2: Convert to fraction form
    166,032,321.40/248,376,635.70 = 145,876,929.40/x
  3. Step 3: Cross multiply
    166,032,321.40x = 248,376,635.70 × 145,876,929.40
  4. Step 4: Simplify right side
    166,032,321.40x = 36,232,420,950,618,416
  5. Step 5: Solve for x
    x = 36,232,420,950,618,416/166,032,321.40
  6. Step 6: Final answer
    x = 218,225,106.08

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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.