Home / 115,751,616.15-173,400,409.37-67,127,315.34

Finding the Fourth Proportional to 115,751,616.15, 173,400,409.37 and 67,127,315.34

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Solution

The fourth proportional to 115,751,616.15, 173,400,409.37 and 67,127,315.34 is: 100,559,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,751,616.15 : 173,400,409.37 = 67,127,315.34 : x
  2. Step 2: Convert to fraction form
    115,751,616.15/173,400,409.37 = 67,127,315.34/x
  3. Step 3: Cross multiply
    115,751,616.15x = 173,400,409.37 × 67,127,315.34
  4. Step 4: Simplify right side
    115,751,616.15x = 11,639,903,958,662,442
  5. Step 5: Solve for x
    x = 11,639,903,958,662,442/115,751,616.15
  6. Step 6: Final answer
    x = 100,559,321.30

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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.