Home / 107,804,542.60-161,706,813.90-39,633,128.20

Finding the Fourth Proportional to 107,804,542.60, 161,706,813.90 and 39,633,128.20

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Solution

The fourth proportional to 107,804,542.60, 161,706,813.90 and 39,633,128.20 is: 59,449,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,804,542.60 : 161,706,813.90 = 39,633,128.20 : x
  2. Step 2: Convert to fraction form
    107,804,542.60/161,706,813.90 = 39,633,128.20/x
  3. Step 3: Cross multiply
    107,804,542.60x = 161,706,813.90 × 39,633,128.20
  4. Step 4: Simplify right side
    107,804,542.60x = 6,408,946,886,112,243
  5. Step 5: Solve for x
    x = 6,408,946,886,112,243/107,804,542.60
  6. Step 6: Final answer
    x = 59,449,692.30

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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.