Home / 289,642,883.10-434,128,401.45-117,006,351.90

Finding the Fourth Proportional to 289,642,883.10, 434,128,401.45 and 117,006,351.90

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Solution

The fourth proportional to 289,642,883.10, 434,128,401.45 and 117,006,351.90 is: 175,373,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,642,883.10 : 434,128,401.45 = 117,006,351.90 : x
  2. Step 2: Convert to fraction form
    289,642,883.10/434,128,401.45 = 117,006,351.90/x
  3. Step 3: Cross multiply
    289,642,883.10x = 434,128,401.45 × 117,006,351.90
  4. Step 4: Simplify right side
    289,642,883.10x = 50,795,780,509,843,168
  5. Step 5: Solve for x
    x = 50,795,780,509,843,168/289,642,883.10
  6. Step 6: Final answer
    x = 175,373,825.75

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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.