Home / 89,861,308,548.60-124,012,503,916.76-49,763,287,937.11

Finding the Fourth Proportional to 89,861,308,548.60, 124,012,503,916.76 and 49,763,287,937.11

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Solution

The fourth proportional to 89,861,308,548.60, 124,012,503,916.76 and 49,763,287,937.11 is: 68,675,496,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,308,548.60 : 124,012,503,916.76 = 49,763,287,937.11 : x
  2. Step 2: Convert to fraction form
    89,861,308,548.60/124,012,503,916.76 = 49,763,287,937.11/x
  3. Step 3: Cross multiply
    89,861,308,548.60x = 124,012,503,916.76 × 49,763,287,937.11
  4. Step 4: Simplify right side
    89,861,308,548.60x = 6,171,269,940,211,089,408,000
  5. Step 5: Solve for x
    x = 6,171,269,940,211,089,408,000/89,861,308,548.60
  6. Step 6: Final answer
    x = 68,675,496,049.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.