Home / 209,088,246.40-313,632,369.60-201,152,060.80

Finding the Fourth Proportional to 209,088,246.40, 313,632,369.60 and 201,152,060.80

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Solution

The fourth proportional to 209,088,246.40, 313,632,369.60 and 201,152,060.80 is: 301,728,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088,246.40 : 313,632,369.60 = 201,152,060.80 : x
  2. Step 2: Convert to fraction form
    209,088,246.40/313,632,369.60 = 201,152,060.80/x
  3. Step 3: Cross multiply
    209,088,246.40x = 313,632,369.60 × 201,152,060.80
  4. Step 4: Simplify right side
    209,088,246.40x = 63,087,797,478,627,280
  5. Step 5: Solve for x
    x = 63,087,797,478,627,280/209,088,246.40
  6. Step 6: Final answer
    x = 301,728,091.20

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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.