Home / 73,286,883.40-109,922,451.90-19,434,195.40

Finding the Fourth Proportional to 73,286,883.40, 109,922,451.90 and 19,434,195.40

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Solution

The fourth proportional to 73,286,883.40, 109,922,451.90 and 19,434,195.40 is: 29,149,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286,883.40 : 109,922,451.90 = 19,434,195.40 : x
  2. Step 2: Convert to fraction form
    73,286,883.40/109,922,451.90 = 19,434,195.40/x
  3. Step 3: Cross multiply
    73,286,883.40x = 109,922,451.90 × 19,434,195.40
  4. Step 4: Simplify right side
    73,286,883.40x = 2,136,254,409,071,701.25
  5. Step 5: Solve for x
    x = 2,136,254,409,071,701.25/73,286,883.40
  6. Step 6: Final answer
    x = 29,149,205.29

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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.