Home / 76,121,419.40-105,047,660.67-41,314,110.34

Finding the Fourth Proportional to 76,121,419.40, 105,047,660.67 and 41,314,110.34

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Solution

The fourth proportional to 76,121,419.40, 105,047,660.67 and 41,314,110.34 is: 57,013,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,419.40 : 105,047,660.67 = 41,314,110.34 : x
  2. Step 2: Convert to fraction form
    76,121,419.40/105,047,660.67 = 41,314,110.34/x
  3. Step 3: Cross multiply
    76,121,419.40x = 105,047,660.67 × 41,314,110.34
  4. Step 4: Simplify right side
    76,121,419.40x = 4,339,950,643,354,020
  5. Step 5: Solve for x
    x = 4,339,950,643,354,020/76,121,419.40
  6. Step 6: Final answer
    x = 57,013,527.57

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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.