Home / 145,942,314.30-201,400,409.66-79,862,826.56

Finding the Fourth Proportional to 145,942,314.30, 201,400,409.66 and 79,862,826.56

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Solution

The fourth proportional to 145,942,314.30, 201,400,409.66 and 79,862,826.56 is: 110,210,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,942,314.30 : 201,400,409.66 = 79,862,826.56 : x
  2. Step 2: Convert to fraction form
    145,942,314.30/201,400,409.66 = 79,862,826.56/x
  3. Step 3: Cross multiply
    145,942,314.30x = 201,400,409.66 × 79,862,826.56
  4. Step 4: Simplify right side
    145,942,314.30x = 16,084,405,984,383,214
  5. Step 5: Solve for x
    x = 16,084,405,984,383,214/145,942,314.30
  6. Step 6: Final answer
    x = 110,210,709.36

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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.