Home / 70,481,944.98-105,826,699.80-39,418,462.53

Finding the Fourth Proportional to 70,481,944.98, 105,826,699.80 and 39,418,462.53

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Solution

The fourth proportional to 70,481,944.98, 105,826,699.80 and 39,418,462.53 is: 59,185,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,944.98 : 105,826,699.80 = 39,418,462.53 : x
  2. Step 2: Convert to fraction form
    70,481,944.98/105,826,699.80 = 39,418,462.53/x
  3. Step 3: Cross multiply
    70,481,944.98x = 105,826,699.80 × 39,418,462.53
  4. Step 4: Simplify right side
    70,481,944.98x = 4,171,525,800,739,858.50
  5. Step 5: Solve for x
    x = 4,171,525,800,739,858.50/70,481,944.98
  6. Step 6: Final answer
    x = 59,185,736.18

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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.