Home / 193,642,061.40-290,071,181.70-120,634,752.60

Finding the Fourth Proportional to 193,642,061.40, 290,071,181.70 and 120,634,752.60

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Solution

The fourth proportional to 193,642,061.40, 290,071,181.70 and 120,634,752.60 is: 180,707,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,642,061.40 : 290,071,181.70 = 120,634,752.60 : x
  2. Step 2: Convert to fraction form
    193,642,061.40/290,071,181.70 = 120,634,752.60/x
  3. Step 3: Cross multiply
    193,642,061.40x = 290,071,181.70 × 120,634,752.60
  4. Step 4: Simplify right side
    193,642,061.40x = 34,992,665,240,769,144
  5. Step 5: Solve for x
    x = 34,992,665,240,769,144/193,642,061.40
  6. Step 6: Final answer
    x = 180,707,977.33

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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.