Home / 107,803,845.60-161,705,768.40-39,632,431.20

Finding the Fourth Proportional to 107,803,845.60, 161,705,768.40 and 39,632,431.20

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Solution

The fourth proportional to 107,803,845.60, 161,705,768.40 and 39,632,431.20 is: 59,448,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803,845.60 : 161,705,768.40 = 39,632,431.20 : x
  2. Step 2: Convert to fraction form
    107,803,845.60/161,705,768.40 = 39,632,431.20/x
  3. Step 3: Cross multiply
    107,803,845.60x = 161,705,768.40 × 39,632,431.20
  4. Step 4: Simplify right side
    107,803,845.60x = 6,408,792,740,756,135
  5. Step 5: Solve for x
    x = 6,408,792,740,756,135/107,803,845.60
  6. Step 6: Final answer
    x = 59,448,646.80

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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.