Home / 209,430,439,833.60-314,189,833,651.20-67,928,872,043.52

Finding the Fourth Proportional to 209,430,439,833.60, 314,189,833,651.20 and 67,928,872,043.52

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Solution

The fourth proportional to 209,430,439,833.60, 314,189,833,651.20 and 67,928,872,043.52 is: 101,907,635,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,430,439,833.60 : 314,189,833,651.20 = 67,928,872,043.52 : x
  2. Step 2: Convert to fraction form
    209,430,439,833.60/314,189,833,651.20 = 67,928,872,043.52/x
  3. Step 3: Cross multiply
    209,430,439,833.60x = 314,189,833,651.20 × 67,928,872,043.52
  4. Step 4: Simplify right side
    209,430,439,833.60x = 21,342,561,007,467,199,725,568
  5. Step 5: Solve for x
    x = 21,342,561,007,467,199,725,568/209,430,439,833.60
  6. Step 6: Final answer
    x = 101,907,635,892.97

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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.