Home / 208,899,999.60-313,349,999.40-204,653,266.80

Finding the Fourth Proportional to 208,899,999.60, 313,349,999.40 and 204,653,266.80

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Solution

The fourth proportional to 208,899,999.60, 313,349,999.40 and 204,653,266.80 is: 306,979,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,899,999.60 : 313,349,999.40 = 204,653,266.80 : x
  2. Step 2: Convert to fraction form
    208,899,999.60/313,349,999.40 = 204,653,266.80/x
  3. Step 3: Cross multiply
    208,899,999.60x = 313,349,999.40 × 204,653,266.80
  4. Step 4: Simplify right side
    208,899,999.60x = 64,128,101,028,988,040
  5. Step 5: Solve for x
    x = 64,128,101,028,988,040/208,899,999.60
  6. Step 6: Final answer
    x = 306,979,900.20

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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.