Home / 289,707,002.90-434,560,504.35-136,651,994.90

Finding the Fourth Proportional to 289,707,002.90, 434,560,504.35 and 136,651,994.90

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Solution

The fourth proportional to 289,707,002.90, 434,560,504.35 and 136,651,994.90 is: 204,977,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,707,002.90 : 434,560,504.35 = 136,651,994.90 : x
  2. Step 2: Convert to fraction form
    289,707,002.90/434,560,504.35 = 136,651,994.90/x
  3. Step 3: Cross multiply
    289,707,002.90x = 434,560,504.35 × 136,651,994.90
  4. Step 4: Simplify right side
    289,707,002.90x = 59,383,559,824,177,632
  5. Step 5: Solve for x
    x = 59,383,559,824,177,632/289,707,002.90
  6. Step 6: Final answer
    x = 204,977,992.35

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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.