Home / 106,992,859.66-160,490,765.72-30,315,814.08

Finding the Fourth Proportional to 106,992,859.66, 160,490,765.72 and 30,315,814.08

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Solution

The fourth proportional to 106,992,859.66, 160,490,765.72 and 30,315,814.08 is: 45,474,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,992,859.66 : 160,490,765.72 = 30,315,814.08 : x
  2. Step 2: Convert to fraction form
    106,992,859.66/160,490,765.72 = 30,315,814.08/x
  3. Step 3: Cross multiply
    106,992,859.66x = 160,490,765.72 × 30,315,814.08
  4. Step 4: Simplify right side
    106,992,859.66x = 4,865,408,215,124,357
  5. Step 5: Solve for x
    x = 4,865,408,215,124,357/106,992,859.66
  6. Step 6: Final answer
    x = 45,474,139.40

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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.