Home / 209,952,551.80-314,886,837.30-100,777,511.80

Finding the Fourth Proportional to 209,952,551.80, 314,886,837.30 and 100,777,511.80

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Solution

The fourth proportional to 209,952,551.80, 314,886,837.30 and 100,777,511.80 is: 151,146,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,551.80 : 314,886,837.30 = 100,777,511.80 : x
  2. Step 2: Convert to fraction form
    209,952,551.80/314,886,837.30 = 100,777,511.80/x
  3. Step 3: Cross multiply
    209,952,551.80x = 314,886,837.30 × 100,777,511.80
  4. Step 4: Simplify right side
    209,952,551.80x = 31,733,511,961,665,432
  5. Step 5: Solve for x
    x = 31,733,511,961,665,432/209,952,551.80
  6. Step 6: Final answer
    x = 151,146,112.25

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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.