Home / 143,877,392.43-215,723,299.32-56,447,745.45

Finding the Fourth Proportional to 143,877,392.43, 215,723,299.32 and 56,447,745.45

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Solution

The fourth proportional to 143,877,392.43, 215,723,299.32 and 56,447,745.45 is: 84,635,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,877,392.43 : 215,723,299.32 = 56,447,745.45 : x
  2. Step 2: Convert to fraction form
    143,877,392.43/215,723,299.32 = 56,447,745.45/x
  3. Step 3: Cross multiply
    143,877,392.43x = 215,723,299.32 × 56,447,745.45
  4. Step 4: Simplify right side
    143,877,392.43x = 12,177,093,887,649,518
  5. Step 5: Solve for x
    x = 12,177,093,887,649,518/143,877,392.43
  6. Step 6: Final answer
    x = 84,635,213.93

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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.