Home / 209,952,259.05-314,928,388.58-206,551,036.65

Finding the Fourth Proportional to 209,952,259.05, 314,928,388.58 and 206,551,036.65

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Solution

The fourth proportional to 209,952,259.05, 314,928,388.58 and 206,551,036.65 is: 309,826,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,259.05 : 314,928,388.58 = 206,551,036.65 : x
  2. Step 2: Convert to fraction form
    209,952,259.05/314,928,388.58 = 206,551,036.65/x
  3. Step 3: Cross multiply
    209,952,259.05x = 314,928,388.58 × 206,551,036.65
  4. Step 4: Simplify right side
    209,952,259.05x = 65,048,785,130,680,264
  5. Step 5: Solve for x
    x = 65,048,785,130,680,264/209,952,259.05
  6. Step 6: Final answer
    x = 309,826,554.98

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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.