Home / 209,148,868.95-313,117,474.47-157,550,777.81

Finding the Fourth Proportional to 209,148,868.95, 313,117,474.47 and 157,550,777.81

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Solution

The fourth proportional to 209,148,868.95, 313,117,474.47 and 157,550,777.81 is: 235,869,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,148,868.95 : 313,117,474.47 = 157,550,777.81 : x
  2. Step 2: Convert to fraction form
    209,148,868.95/313,117,474.47 = 157,550,777.81/x
  3. Step 3: Cross multiply
    209,148,868.95x = 313,117,474.47 × 157,550,777.81
  4. Step 4: Simplify right side
    209,148,868.95x = 49,331,901,647,085,736
  5. Step 5: Solve for x
    x = 49,331,901,647,085,736/209,148,868.95
  6. Step 6: Final answer
    x = 235,869,798.84

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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.