Home / 207,782,442.90-311,468,086.35-98,415,384.30

Finding the Fourth Proportional to 207,782,442.90, 311,468,086.35 and 98,415,384.30

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Solution

The fourth proportional to 207,782,442.90, 311,468,086.35 and 98,415,384.30 is: 147,525,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,782,442.90 : 311,468,086.35 = 98,415,384.30 : x
  2. Step 2: Convert to fraction form
    207,782,442.90/311,468,086.35 = 98,415,384.30/x
  3. Step 3: Cross multiply
    207,782,442.90x = 311,468,086.35 × 98,415,384.30
  4. Step 4: Simplify right side
    207,782,442.90x = 30,653,251,415,320,836
  5. Step 5: Solve for x
    x = 30,653,251,415,320,836/207,782,442.90
  6. Step 6: Final answer
    x = 147,525,705.19

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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.