Home / 107,801,991.60-161,702,987.40-39,630,577.20

Finding the Fourth Proportional to 107,801,991.60, 161,702,987.40 and 39,630,577.20

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Solution

The fourth proportional to 107,801,991.60, 161,702,987.40 and 39,630,577.20 is: 59,445,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,801,991.60 : 161,702,987.40 = 39,630,577.20 : x
  2. Step 2: Convert to fraction form
    107,801,991.60/161,702,987.40 = 39,630,577.20/x
  3. Step 3: Cross multiply
    107,801,991.60x = 161,702,987.40 × 39,630,577.20
  4. Step 4: Simplify right side
    107,801,991.60x = 6,408,382,725,626,328
  5. Step 5: Solve for x
    x = 6,408,382,725,626,328/107,801,991.60
  6. Step 6: Final answer
    x = 59,445,865.80

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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.