Home / 97,133,942.70-145,682,251.65-28,978,857.90

Finding the Fourth Proportional to 97,133,942.70, 145,682,251.65 and 28,978,857.90

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Solution

The fourth proportional to 97,133,942.70, 145,682,251.65 and 28,978,857.90 is: 43,462,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,133,942.70 : 145,682,251.65 = 28,978,857.90 : x
  2. Step 2: Convert to fraction form
    97,133,942.70/145,682,251.65 = 28,978,857.90/x
  3. Step 3: Cross multiply
    97,133,942.70x = 145,682,251.65 × 28,978,857.90
  4. Step 4: Simplify right side
    97,133,942.70x = 4,221,705,269,117,390.50
  5. Step 5: Solve for x
    x = 4,221,705,269,117,390.50/97,133,942.70
  6. Step 6: Final answer
    x = 43,462,719.13

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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.