Home / 289,734,511.20-434,452,467.60-107,888,085.60

Finding the Fourth Proportional to 289,734,511.20, 434,452,467.60 and 107,888,085.60

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Solution

The fourth proportional to 289,734,511.20, 434,452,467.60 and 107,888,085.60 is: 161,776,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,734,511.20 : 434,452,467.60 = 107,888,085.60 : x
  2. Step 2: Convert to fraction form
    289,734,511.20/434,452,467.60 = 107,888,085.60/x
  3. Step 3: Cross multiply
    289,734,511.20x = 434,452,467.60 × 107,888,085.60
  4. Step 4: Simplify right side
    289,734,511.20x = 46,872,245,013,560,024
  5. Step 5: Solve for x
    x = 46,872,245,013,560,024/289,734,511.20
  6. Step 6: Final answer
    x = 161,776,534.04

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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.