Home / 228,889,625.96-315,875,990.34-131,123,377.64

Finding the Fourth Proportional to 228,889,625.96, 315,875,990.34 and 131,123,377.64

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Solution

The fourth proportional to 228,889,625.96, 315,875,990.34 and 131,123,377.64 is: 180,955,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,889,625.96 : 315,875,990.34 = 131,123,377.64 : x
  2. Step 2: Convert to fraction form
    228,889,625.96/315,875,990.34 = 131,123,377.64/x
  3. Step 3: Cross multiply
    228,889,625.96x = 315,875,990.34 × 131,123,377.64
  4. Step 4: Simplify right side
    228,889,625.96x = 41,418,726,768,760,808
  5. Step 5: Solve for x
    x = 41,418,726,768,760,808/228,889,625.96
  6. Step 6: Final answer
    x = 180,955,019.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.