Home / 207,663,023.52-311,470,740.72-54,323,880.48

Finding the Fourth Proportional to 207,663,023.52, 311,470,740.72 and 54,323,880.48

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Solution

The fourth proportional to 207,663,023.52, 311,470,740.72 and 54,323,880.48 is: 81,479,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,663,023.52 : 311,470,740.72 = 54,323,880.48 : x
  2. Step 2: Convert to fraction form
    207,663,023.52/311,470,740.72 = 54,323,880.48/x
  3. Step 3: Cross multiply
    207,663,023.52x = 311,470,740.72 × 54,323,880.48
  4. Step 4: Simplify right side
    207,663,023.52x = 16,920,299,291,890,350
  5. Step 5: Solve for x
    x = 16,920,299,291,890,350/207,663,023.52
  6. Step 6: Final answer
    x = 81,479,596.15

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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.