Home / 121,338,145.60-182,007,218.40-53,313,697.60

Finding the Fourth Proportional to 121,338,145.60, 182,007,218.40 and 53,313,697.60

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Solution

The fourth proportional to 121,338,145.60, 182,007,218.40 and 53,313,697.60 is: 79,970,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,338,145.60 : 182,007,218.40 = 53,313,697.60 : x
  2. Step 2: Convert to fraction form
    121,338,145.60/182,007,218.40 = 53,313,697.60/x
  3. Step 3: Cross multiply
    121,338,145.60x = 182,007,218.40 × 53,313,697.60
  4. Step 4: Simplify right side
    121,338,145.60x = 9,703,477,802,794,756
  5. Step 5: Solve for x
    x = 9,703,477,802,794,756/121,338,145.60
  6. Step 6: Final answer
    x = 79,970,546.40

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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.