Home / 66,885,060.48-100,322,719.08-30,008,369.52

Finding the Fourth Proportional to 66,885,060.48, 100,322,719.08 and 30,008,369.52

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Solution

The fourth proportional to 66,885,060.48, 100,322,719.08 and 30,008,369.52 is: 45,010,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885,060.48 : 100,322,719.08 = 30,008,369.52 : x
  2. Step 2: Convert to fraction form
    66,885,060.48/100,322,719.08 = 30,008,369.52/x
  3. Step 3: Cross multiply
    66,885,060.48x = 100,322,719.08 × 30,008,369.52
  4. Step 4: Simplify right side
    66,885,060.48x = 3,010,521,225,403,794.50
  5. Step 5: Solve for x
    x = 3,010,521,225,403,794.50/66,885,060.48
  6. Step 6: Final answer
    x = 45,010,368.59

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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.