Home / 91,107,031.36-125,613,656.04-76,040,908.60

Finding the Fourth Proportional to 91,107,031.36, 125,613,656.04 and 76,040,908.60

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Solution

The fourth proportional to 91,107,031.36, 125,613,656.04 and 76,040,908.60 is: 104,841,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107,031.36 : 125,613,656.04 = 76,040,908.60 : x
  2. Step 2: Convert to fraction form
    91,107,031.36/125,613,656.04 = 76,040,908.60/x
  3. Step 3: Cross multiply
    91,107,031.36x = 125,613,656.04 × 76,040,908.60
  4. Step 4: Simplify right side
    91,107,031.36x = 9,551,776,537,849,478
  5. Step 5: Solve for x
    x = 9,551,776,537,849,478/91,107,031.36
  6. Step 6: Final answer
    x = 104,841,266.31

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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.