Home / 135,191,268.18-186,563,999.80-73,311,590.34

Finding the Fourth Proportional to 135,191,268.18, 186,563,999.80 and 73,311,590.34

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Solution

The fourth proportional to 135,191,268.18, 186,563,999.80 and 73,311,590.34 is: 101,170,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,191,268.18 : 186,563,999.80 = 73,311,590.34 : x
  2. Step 2: Convert to fraction form
    135,191,268.18/186,563,999.80 = 73,311,590.34/x
  3. Step 3: Cross multiply
    135,191,268.18x = 186,563,999.80 × 73,311,590.34
  4. Step 4: Simplify right side
    135,191,268.18x = 13,677,303,525,529,444
  5. Step 5: Solve for x
    x = 13,677,303,525,529,444/135,191,268.18
  6. Step 6: Final answer
    x = 101,170,021.63

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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.