Home / 144,440,289.81-199,327,986.29-78,360,788.07

Finding the Fourth Proportional to 144,440,289.81, 199,327,986.29 and 78,360,788.07

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Solution

The fourth proportional to 144,440,289.81, 199,327,986.29 and 78,360,788.07 is: 108,138,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440,289.81 : 199,327,986.29 = 78,360,788.07 : x
  2. Step 2: Convert to fraction form
    144,440,289.81/199,327,986.29 = 78,360,788.07/x
  3. Step 3: Cross multiply
    144,440,289.81x = 199,327,986.29 × 78,360,788.07
  4. Step 4: Simplify right side
    144,440,289.81x = 15,619,498,089,698,750
  5. Step 5: Solve for x
    x = 15,619,498,089,698,750/144,440,289.81
  6. Step 6: Final answer
    x = 108,138,097.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.