Home / 127,568,791.96-191,197,730.44-66,124,075.64

Finding the Fourth Proportional to 127,568,791.96, 191,197,730.44 and 66,124,075.64

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Solution

The fourth proportional to 127,568,791.96, 191,197,730.44 and 66,124,075.64 is: 99,105,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,791.96 : 191,197,730.44 = 66,124,075.64 : x
  2. Step 2: Convert to fraction form
    127,568,791.96/191,197,730.44 = 66,124,075.64/x
  3. Step 3: Cross multiply
    127,568,791.96x = 191,197,730.44 × 66,124,075.64
  4. Step 4: Simplify right side
    127,568,791.96x = 12,642,773,189,810,890
  5. Step 5: Solve for x
    x = 12,642,773,189,810,890/127,568,791.96
  6. Step 6: Final answer
    x = 99,105,533.54

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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.