Home / 68,905,914.05-103,353,447.29-30,043,448.93

Finding the Fourth Proportional to 68,905,914.05, 103,353,447.29 and 30,043,448.93

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Solution

The fourth proportional to 68,905,914.05, 103,353,447.29 and 30,043,448.93 is: 45,062,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905,914.05 : 103,353,447.29 = 30,043,448.93 : x
  2. Step 2: Convert to fraction form
    68,905,914.05/103,353,447.29 = 30,043,448.93/x
  3. Step 3: Cross multiply
    68,905,914.05x = 103,353,447.29 × 30,043,448.93
  4. Step 4: Simplify right side
    68,905,914.05x = 3,105,094,014,729,577.50
  5. Step 5: Solve for x
    x = 3,105,094,014,729,577.50/68,905,914.05
  6. Step 6: Final answer
    x = 45,062,808.58

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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.