Home / 72,526,935.07-108,802,219.70-21,414,120.67

Finding the Fourth Proportional to 72,526,935.07, 108,802,219.70 and 21,414,120.67

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Solution

The fourth proportional to 72,526,935.07, 108,802,219.70 and 21,414,120.67 is: 32,124,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526,935.07 : 108,802,219.70 = 21,414,120.67 : x
  2. Step 2: Convert to fraction form
    72,526,935.07/108,802,219.70 = 21,414,120.67/x
  3. Step 3: Cross multiply
    72,526,935.07x = 108,802,219.70 × 21,414,120.67
  4. Step 4: Simplify right side
    72,526,935.07x = 2,329,903,861,819,651.50
  5. Step 5: Solve for x
    x = 2,329,903,861,819,651.50/72,526,935.07
  6. Step 6: Final answer
    x = 32,124,670.09

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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.