Home / 92,969,313.80-139,453,970.70-88,788,936.20

Finding the Fourth Proportional to 92,969,313.80, 139,453,970.70 and 88,788,936.20

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Solution

The fourth proportional to 92,969,313.80, 139,453,970.70 and 88,788,936.20 is: 133,183,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,969,313.80 : 139,453,970.70 = 88,788,936.20 : x
  2. Step 2: Convert to fraction form
    92,969,313.80/139,453,970.70 = 88,788,936.20/x
  3. Step 3: Cross multiply
    92,969,313.80x = 139,453,970.70 × 88,788,936.20
  4. Step 4: Simplify right side
    92,969,313.80x = 12,381,969,707,318,968
  5. Step 5: Solve for x
    x = 12,381,969,707,318,968/92,969,313.80
  6. Step 6: Final answer
    x = 133,183,404.30

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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.