Home / 74,342,329.37-102,586,399.80-42,982,390.39

Finding the Fourth Proportional to 74,342,329.37, 102,586,399.80 and 42,982,390.39

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Solution

The fourth proportional to 74,342,329.37, 102,586,399.80 and 42,982,390.39 is: 59,312,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342,329.37 : 102,586,399.80 = 42,982,390.39 : x
  2. Step 2: Convert to fraction form
    74,342,329.37/102,586,399.80 = 42,982,390.39/x
  3. Step 3: Cross multiply
    74,342,329.37x = 102,586,399.80 × 42,982,390.39
  4. Step 4: Simplify right side
    74,342,329.37x = 4,409,408,684,682,917.50
  5. Step 5: Solve for x
    x = 4,409,408,684,682,917.50/74,342,329.37
  6. Step 6: Final answer
    x = 59,312,221.21

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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.