Home / 73,284,920.40-109,927,380.60-19,432,232.40

Finding the Fourth Proportional to 73,284,920.40, 109,927,380.60 and 19,432,232.40

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Solution

The fourth proportional to 73,284,920.40, 109,927,380.60 and 19,432,232.40 is: 29,148,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,284,920.40 : 109,927,380.60 = 19,432,232.40 : x
  2. Step 2: Convert to fraction form
    73,284,920.40/109,927,380.60 = 19,432,232.40/x
  3. Step 3: Cross multiply
    73,284,920.40x = 109,927,380.60 × 19,432,232.40
  4. Step 4: Simplify right side
    73,284,920.40x = 2,136,134,406,942,451.25
  5. Step 5: Solve for x
    x = 2,136,134,406,942,451.25/73,284,920.40
  6. Step 6: Final answer
    x = 29,148,348.60

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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.