Home / 139,600,136.88-209,495,850.12-48,723,725.88

Finding the Fourth Proportional to 139,600,136.88, 209,495,850.12 and 48,723,725.88

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Solution

The fourth proportional to 139,600,136.88, 209,495,850.12 and 48,723,725.88 is: 73,118,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,600,136.88 : 209,495,850.12 = 48,723,725.88 : x
  2. Step 2: Convert to fraction form
    139,600,136.88/209,495,850.12 = 48,723,725.88/x
  3. Step 3: Cross multiply
    139,600,136.88x = 209,495,850.12 × 48,723,725.88
  4. Step 4: Simplify right side
    139,600,136.88x = 10,207,418,374,244,446
  5. Step 5: Solve for x
    x = 10,207,418,374,244,446/139,600,136.88
  6. Step 6: Final answer
    x = 73,118,971.10

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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.