Home / 128,095,047-192,162,477.06-43,014,409.56

Finding the Fourth Proportional to 128,095,047, 192,162,477.06 and 43,014,409.56

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Solution

The fourth proportional to 128,095,047, 192,162,477.06 and 43,014,409.56 is: 64,528,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,095,047 : 192,162,477.06 = 43,014,409.56 : x
  2. Step 2: Convert to fraction form
    128,095,047/192,162,477.06 = 43,014,409.56/x
  3. Step 3: Cross multiply
    128,095,047x = 192,162,477.06 × 43,014,409.56
  4. Step 4: Simplify right side
    128,095,047x = 8,265,755,490,322,945
  5. Step 5: Solve for x
    x = 8,265,755,490,322,945/128,095,047
  6. Step 6: Final answer
    x = 64,528,298.98

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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.