Home / 209,952,165.30-314,928,247.95-196,515,237.30

Finding the Fourth Proportional to 209,952,165.30, 314,928,247.95 and 196,515,237.30

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Solution

The fourth proportional to 209,952,165.30, 314,928,247.95 and 196,515,237.30 is: 294,772,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,165.30 : 314,928,247.95 = 196,515,237.30 : x
  2. Step 2: Convert to fraction form
    209,952,165.30/314,928,247.95 = 196,515,237.30/x
  3. Step 3: Cross multiply
    209,952,165.30x = 314,928,247.95 × 196,515,237.30
  4. Step 4: Simplify right side
    209,952,165.30x = 61,888,199,378,367,488
  5. Step 5: Solve for x
    x = 61,888,199,378,367,488/209,952,165.30
  6. Step 6: Final answer
    x = 294,772,855.95

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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.