Home / 68,601,678.69-102,886,820.85-40,943,405.94

Finding the Fourth Proportional to 68,601,678.69, 102,886,820.85 and 40,943,405.94

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Solution

The fourth proportional to 68,601,678.69, 102,886,820.85 and 40,943,405.94 is: 61,405,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,601,678.69 : 102,886,820.85 = 40,943,405.94 : x
  2. Step 2: Convert to fraction form
    68,601,678.69/102,886,820.85 = 40,943,405.94/x
  3. Step 3: Cross multiply
    68,601,678.69x = 102,886,820.85 × 40,943,405.94
  4. Step 4: Simplify right side
    68,601,678.69x = 4,212,536,871,937,605.50
  5. Step 5: Solve for x
    x = 4,212,536,871,937,605.50/68,601,678.69
  6. Step 6: Final answer
    x = 61,405,740.39

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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.