Home / 209,952,315.80-314,928,473.70-189,796,923.80

Finding the Fourth Proportional to 209,952,315.80, 314,928,473.70 and 189,796,923.80

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Solution

The fourth proportional to 209,952,315.80, 314,928,473.70 and 189,796,923.80 is: 284,695,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,315.80 : 314,928,473.70 = 189,796,923.80 : x
  2. Step 2: Convert to fraction form
    209,952,315.80/314,928,473.70 = 189,796,923.80/x
  3. Step 3: Cross multiply
    209,952,315.80x = 314,928,473.70 × 189,796,923.80
  4. Step 4: Simplify right side
    209,952,315.80x = 59,772,455,525,289,208
  5. Step 5: Solve for x
    x = 59,772,455,525,289,208/209,952,315.80
  6. Step 6: Final answer
    x = 284,695,385.70

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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.