Home / 189,430,401.80-261,413,944.50-102,510,273.80

Finding the Fourth Proportional to 189,430,401.80, 261,413,944.50 and 102,510,273.80

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Solution

The fourth proportional to 189,430,401.80, 261,413,944.50 and 102,510,273.80 is: 141,464,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,430,401.80 : 261,413,944.50 = 102,510,273.80 : x
  2. Step 2: Convert to fraction form
    189,430,401.80/261,413,944.50 = 102,510,273.80/x
  3. Step 3: Cross multiply
    189,430,401.80x = 261,413,944.50 × 102,510,273.80
  4. Step 4: Simplify right side
    189,430,401.80x = 26,797,615,025,833,004
  5. Step 5: Solve for x
    x = 26,797,615,025,833,004/189,430,401.80
  6. Step 6: Final answer
    x = 141,464,172.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.