Home / 186,629,987.60-279,944,981.40-50,329,149.20

Finding the Fourth Proportional to 186,629,987.60, 279,944,981.40 and 50,329,149.20

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Solution

The fourth proportional to 186,629,987.60, 279,944,981.40 and 50,329,149.20 is: 75,493,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,629,987.60 : 279,944,981.40 = 50,329,149.20 : x
  2. Step 2: Convert to fraction form
    186,629,987.60/279,944,981.40 = 50,329,149.20/x
  3. Step 3: Cross multiply
    186,629,987.60x = 279,944,981.40 × 50,329,149.20
  4. Step 4: Simplify right side
    186,629,987.60x = 14,089,392,736,671,824
  5. Step 5: Solve for x
    x = 14,089,392,736,671,824/186,629,987.60
  6. Step 6: Final answer
    x = 75,493,723.80

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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.