Home / 74,409,863.73-102,683,366.19-41,370,840.78

Finding the Fourth Proportional to 74,409,863.73, 102,683,366.19 and 41,370,840.78

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Solution

The fourth proportional to 74,409,863.73, 102,683,366.19 and 41,370,840.78 is: 57,090,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,409,863.73 : 102,683,366.19 = 41,370,840.78 : x
  2. Step 2: Convert to fraction form
    74,409,863.73/102,683,366.19 = 41,370,840.78/x
  3. Step 3: Cross multiply
    74,409,863.73x = 102,683,366.19 × 41,370,840.78
  4. Step 4: Simplify right side
    74,409,863.73x = 4,248,097,193,400,925.50
  5. Step 5: Solve for x
    x = 4,248,097,193,400,925.50/74,409,863.73
  6. Step 6: Final answer
    x = 57,090,511.67

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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.