Home / 70,562,239.94-105,824,464.21-19,432,104.50

Finding the Fourth Proportional to 70,562,239.94, 105,824,464.21 and 19,432,104.50

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Solution

The fourth proportional to 70,562,239.94, 105,824,464.21 and 19,432,104.50 is: 29,142,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,562,239.94 : 105,824,464.21 = 19,432,104.50 : x
  2. Step 2: Convert to fraction form
    70,562,239.94/105,824,464.21 = 19,432,104.50/x
  3. Step 3: Cross multiply
    70,562,239.94x = 105,824,464.21 × 19,432,104.50
  4. Step 4: Simplify right side
    70,562,239.94x = 2,056,392,047,185,229.75
  5. Step 5: Solve for x
    x = 2,056,392,047,185,229.75/70,562,239.94
  6. Step 6: Final answer
    x = 29,142,953.07

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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.