Home / 76,121,523.81-105,047,806.59-41,314,214.73

Finding the Fourth Proportional to 76,121,523.81, 105,047,806.59 and 41,314,214.73

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Solution

The fourth proportional to 76,121,523.81, 105,047,806.59 and 41,314,214.73 is: 57,013,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,523.81 : 105,047,806.59 = 41,314,214.73 : x
  2. Step 2: Convert to fraction form
    76,121,523.81/105,047,806.59 = 41,314,214.73/x
  3. Step 3: Cross multiply
    76,121,523.81x = 105,047,806.59 × 41,314,214.73
  4. Step 4: Simplify right side
    76,121,523.81x = 4,339,967,638,374,769
  5. Step 5: Solve for x
    x = 4,339,967,638,374,769/76,121,523.81
  6. Step 6: Final answer
    x = 57,013,672.63

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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.