Home / 81,434,925.81-122,153,239.98-32,262,745.32

Finding the Fourth Proportional to 81,434,925.81, 122,153,239.98 and 32,262,745.32

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Solution

The fourth proportional to 81,434,925.81, 122,153,239.98 and 32,262,745.32 is: 48,394,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,434,925.81 : 122,153,239.98 = 32,262,745.32 : x
  2. Step 2: Convert to fraction form
    81,434,925.81/122,153,239.98 = 32,262,745.32/x
  3. Step 3: Cross multiply
    81,434,925.81x = 122,153,239.98 × 32,262,745.32
  4. Step 4: Simplify right side
    81,434,925.81x = 3,940,998,871,487,582
  5. Step 5: Solve for x
    x = 3,940,998,871,487,582/81,434,925.81
  6. Step 6: Final answer
    x = 48,394,455.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.