Home / 91,107,017.64-125,613,637.07-76,040,894.88

Finding the Fourth Proportional to 91,107,017.64, 125,613,637.07 and 76,040,894.88

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Solution

The fourth proportional to 91,107,017.64, 125,613,637.07 and 76,040,894.88 is: 104,841,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107,017.64 : 125,613,637.07 = 76,040,894.88 : x
  2. Step 2: Convert to fraction form
    91,107,017.64/125,613,637.07 = 76,040,894.88/x
  3. Step 3: Cross multiply
    91,107,017.64x = 125,613,637.07 × 76,040,894.88
  4. Step 4: Simplify right side
    91,107,017.64x = 9,551,773,371,554,136
  5. Step 5: Solve for x
    x = 9,551,773,371,554,136/91,107,017.64
  6. Step 6: Final answer
    x = 104,841,247.35

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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.