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Finding the Fourth Proportional to 240,502,024.60, 360,753,036.90 and 206,064,647.80

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Solution

The fourth proportional to 240,502,024.60, 360,753,036.90 and 206,064,647.80 is: 309,096,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,502,024.60 : 360,753,036.90 = 206,064,647.80 : x
  2. Step 2: Convert to fraction form
    240,502,024.60/360,753,036.90 = 206,064,647.80/x
  3. Step 3: Cross multiply
    240,502,024.60x = 360,753,036.90 × 206,064,647.80
  4. Step 4: Simplify right side
    240,502,024.60x = 74,338,447,491,578,896
  5. Step 5: Solve for x
    x = 74,338,447,491,578,896/240,502,024.60
  6. Step 6: Final answer
    x = 309,096,971.70

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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.