Home / 209,245,699.44-313,712,177.04-144,364,364.64

Finding the Fourth Proportional to 209,245,699.44, 313,712,177.04 and 144,364,364.64

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Solution

The fourth proportional to 209,245,699.44, 313,712,177.04 and 144,364,364.64 is: 216,438,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,245,699.44 : 313,712,177.04 = 144,364,364.64 : x
  2. Step 2: Convert to fraction form
    209,245,699.44/313,712,177.04 = 144,364,364.64/x
  3. Step 3: Cross multiply
    209,245,699.44x = 313,712,177.04 × 144,364,364.64
  4. Step 4: Simplify right side
    209,245,699.44x = 45,288,859,118,210,792
  5. Step 5: Solve for x
    x = 45,288,859,118,210,792/209,245,699.44
  6. Step 6: Final answer
    x = 216,438,661.53

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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.