Home / 72,894,052.37-100,593,973.37-39,856,433.60

Finding the Fourth Proportional to 72,894,052.37, 100,593,973.37 and 39,856,433.60

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Solution

The fourth proportional to 72,894,052.37, 100,593,973.37 and 39,856,433.60 is: 55,001,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894,052.37 : 100,593,973.37 = 39,856,433.60 : x
  2. Step 2: Convert to fraction form
    72,894,052.37/100,593,973.37 = 39,856,433.60/x
  3. Step 3: Cross multiply
    72,894,052.37x = 100,593,973.37 × 39,856,433.60
  4. Step 4: Simplify right side
    72,894,052.37x = 4,009,317,019,678,603.50
  5. Step 5: Solve for x
    x = 4,009,317,019,678,603.50/72,894,052.37
  6. Step 6: Final answer
    x = 55,001,977.38

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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.