Home / 68,554,989.51-94,605,886.56-39,186,958.29

Finding the Fourth Proportional to 68,554,989.51, 94,605,886.56 and 39,186,958.29

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Solution

The fourth proportional to 68,554,989.51, 94,605,886.56 and 39,186,958.29 is: 54,078,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,554,989.51 : 94,605,886.56 = 39,186,958.29 : x
  2. Step 2: Convert to fraction form
    68,554,989.51/94,605,886.56 = 39,186,958.29/x
  3. Step 3: Cross multiply
    68,554,989.51x = 94,605,886.56 × 39,186,958.29
  4. Step 4: Simplify right side
    68,554,989.51x = 3,707,316,930,615,191.50
  5. Step 5: Solve for x
    x = 3,707,316,930,615,191.50/68,554,989.51
  6. Step 6: Final answer
    x = 54,078,003.03

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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.