Home / 70,440,008.93-105,660,826.85-21,256,288.37

Finding the Fourth Proportional to 70,440,008.93, 105,660,826.85 and 21,256,288.37

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Solution

The fourth proportional to 70,440,008.93, 105,660,826.85 and 21,256,288.37 is: 31,884,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440,008.93 : 105,660,826.85 = 21,256,288.37 : x
  2. Step 2: Convert to fraction form
    70,440,008.93/105,660,826.85 = 21,256,288.37/x
  3. Step 3: Cross multiply
    70,440,008.93x = 105,660,826.85 × 21,256,288.37
  4. Step 4: Simplify right side
    70,440,008.93x = 2,245,957,004,936,238.75
  5. Step 5: Solve for x
    x = 2,245,957,004,936,238.75/70,440,008.93
  6. Step 6: Final answer
    x = 31,884,678.03

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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.