Home / 354,578,677.54-531,444,865.82-165,029,729.67

Finding the Fourth Proportional to 354,578,677.54, 531,444,865.82 and 165,029,729.67

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Solution

The fourth proportional to 354,578,677.54, 531,444,865.82 and 165,029,729.67 is: 247,347,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,677.54 : 531,444,865.82 = 165,029,729.67 : x
  2. Step 2: Convert to fraction form
    354,578,677.54/531,444,865.82 = 165,029,729.67/x
  3. Step 3: Cross multiply
    354,578,677.54x = 531,444,865.82 × 165,029,729.67
  4. Step 4: Simplify right side
    354,578,677.54x = 87,704,202,537,301,648
  5. Step 5: Solve for x
    x = 87,704,202,537,301,648/354,578,677.54
  6. Step 6: Final answer
    x = 247,347,649.74

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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.