Home / 91,130,791.07-125,720,415.56-53,434,713.87

Finding the Fourth Proportional to 91,130,791.07, 125,720,415.56 and 53,434,713.87

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Solution

The fourth proportional to 91,130,791.07, 125,720,415.56 and 53,434,713.87 is: 73,716,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130,791.07 : 125,720,415.56 = 53,434,713.87 : x
  2. Step 2: Convert to fraction form
    91,130,791.07/125,720,415.56 = 53,434,713.87/x
  3. Step 3: Cross multiply
    91,130,791.07x = 125,720,415.56 × 53,434,713.87
  4. Step 4: Simplify right side
    91,130,791.07x = 6,717,834,433,199,682
  5. Step 5: Solve for x
    x = 6,717,834,433,199,682/91,130,791.07
  6. Step 6: Final answer
    x = 73,716,406.43

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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.