Home / 130,047,209.14-179,291,539.87-103,313,241.79

Finding the Fourth Proportional to 130,047,209.14, 179,291,539.87 and 103,313,241.79

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Solution

The fourth proportional to 130,047,209.14, 179,291,539.87 and 103,313,241.79 is: 142,434,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047,209.14 : 179,291,539.87 = 103,313,241.79 : x
  2. Step 2: Convert to fraction form
    130,047,209.14/179,291,539.87 = 103,313,241.79/x
  3. Step 3: Cross multiply
    130,047,209.14x = 179,291,539.87 × 103,313,241.79
  4. Step 4: Simplify right side
    130,047,209.14x = 18,523,190,209,490,736
  5. Step 5: Solve for x
    x = 18,523,190,209,490,736/130,047,209.14
  6. Step 6: Final answer
    x = 142,434,353.89

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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.