Home / 149,562,880.29-206,431,212.15-87,703,147.89

Finding the Fourth Proportional to 149,562,880.29, 206,431,212.15 and 87,703,147.89

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Solution

The fourth proportional to 149,562,880.29, 206,431,212.15 and 87,703,147.89 is: 121,050,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562,880.29 : 206,431,212.15 = 87,703,147.89 : x
  2. Step 2: Convert to fraction form
    149,562,880.29/206,431,212.15 = 87,703,147.89/x
  3. Step 3: Cross multiply
    149,562,880.29x = 206,431,212.15 × 87,703,147.89
  4. Step 4: Simplify right side
    149,562,880.29x = 18,104,667,128,303,416
  5. Step 5: Solve for x
    x = 18,104,667,128,303,416/149,562,880.29
  6. Step 6: Final answer
    x = 121,050,538.03

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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.