Home / 209,952,840.30-314,929,260.45-181,231,406.70

Finding the Fourth Proportional to 209,952,840.30, 314,929,260.45 and 181,231,406.70

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Solution

The fourth proportional to 209,952,840.30, 314,929,260.45 and 181,231,406.70 is: 271,847,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,840.30 : 314,929,260.45 = 181,231,406.70 : x
  2. Step 2: Convert to fraction form
    209,952,840.30/314,929,260.45 = 181,231,406.70/x
  3. Step 3: Cross multiply
    209,952,840.30x = 314,929,260.45 × 181,231,406.70
  4. Step 4: Simplify right side
    209,952,840.30x = 57,075,072,882,344,168
  5. Step 5: Solve for x
    x = 57,075,072,882,344,168/209,952,840.30
  6. Step 6: Final answer
    x = 271,847,110.05

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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.