Home / 289,446,914,417.62-434,154,659,520.93-87,972,941,315.32

Finding the Fourth Proportional to 289,446,914,417.62, 434,154,659,520.93 and 87,972,941,315.32

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Solution

The fourth proportional to 289,446,914,417.62, 434,154,659,520.93 and 87,972,941,315.32 is: 131,954,636,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,446,914,417.62 : 434,154,659,520.93 = 87,972,941,315.32 : x
  2. Step 2: Convert to fraction form
    289,446,914,417.62/434,154,659,520.93 = 87,972,941,315.32/x
  3. Step 3: Cross multiply
    289,446,914,417.62x = 434,154,659,520.93 × 87,972,941,315.32
  4. Step 4: Simplify right side
    289,446,914,417.62x = 38,193,862,383,807,512,969,216
  5. Step 5: Solve for x
    x = 38,193,862,383,807,512,969,216/289,446,914,417.62
  6. Step 6: Final answer
    x = 131,954,636,519.98

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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.