Home / 49,821,657.60-74,732,486.40-28,322,572.80

Finding the Fourth Proportional to 49,821,657.60, 74,732,486.40 and 28,322,572.80

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Solution

The fourth proportional to 49,821,657.60, 74,732,486.40 and 28,322,572.80 is: 42,483,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821,657.60 : 74,732,486.40 = 28,322,572.80 : x
  2. Step 2: Convert to fraction form
    49,821,657.60/74,732,486.40 = 28,322,572.80/x
  3. Step 3: Cross multiply
    49,821,657.60x = 74,732,486.40 × 28,322,572.80
  4. Step 4: Simplify right side
    49,821,657.60x = 2,116,616,286,589,010.25
  5. Step 5: Solve for x
    x = 2,116,616,286,589,010.25/49,821,657.60
  6. Step 6: Final answer
    x = 42,483,859.20

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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.