Home / 68,601,679.69-102,886,822.35-40,943,406.94

Finding the Fourth Proportional to 68,601,679.69, 102,886,822.35 and 40,943,406.94

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Solution

The fourth proportional to 68,601,679.69, 102,886,822.35 and 40,943,406.94 is: 61,405,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,601,679.69 : 102,886,822.35 = 40,943,406.94 : x
  2. Step 2: Convert to fraction form
    68,601,679.69/102,886,822.35 = 40,943,406.94/x
  3. Step 3: Cross multiply
    68,601,679.69x = 102,886,822.35 × 40,943,406.94
  4. Step 4: Simplify right side
    68,601,679.69x = 4,212,537,036,239,536.50
  5. Step 5: Solve for x
    x = 4,212,537,036,239,536.50/68,601,679.69
  6. Step 6: Final answer
    x = 61,405,741.89

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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.