Home / 121,638,933.60-182,460,266.64-40,860,601.44

Finding the Fourth Proportional to 121,638,933.60, 182,460,266.64 and 40,860,601.44

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Solution

The fourth proportional to 121,638,933.60, 182,460,266.64 and 40,860,601.44 is: 61,291,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,638,933.60 : 182,460,266.64 = 40,860,601.44 : x
  2. Step 2: Convert to fraction form
    121,638,933.60/182,460,266.64 = 40,860,601.44/x
  3. Step 3: Cross multiply
    121,638,933.60x = 182,460,266.64 × 40,860,601.44
  4. Step 4: Simplify right side
    121,638,933.60x = 7,455,436,233,813,167
  5. Step 5: Solve for x
    x = 7,455,436,233,813,167/121,638,933.60
  6. Step 6: Final answer
    x = 61,291,529.06

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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.