Home / 80,879,000.70-121,318,501.05-35,392,511.10

Finding the Fourth Proportional to 80,879,000.70, 121,318,501.05 and 35,392,511.10

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Solution

The fourth proportional to 80,879,000.70, 121,318,501.05 and 35,392,511.10 is: 53,088,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,000.70 : 121,318,501.05 = 35,392,511.10 : x
  2. Step 2: Convert to fraction form
    80,879,000.70/121,318,501.05 = 35,392,511.10/x
  3. Step 3: Cross multiply
    80,879,000.70x = 121,318,501.05 × 35,392,511.10
  4. Step 4: Simplify right side
    80,879,000.70x = 4,293,766,395,047,486.50
  5. Step 5: Solve for x
    x = 4,293,766,395,047,486.50/80,879,000.70
  6. Step 6: Final answer
    x = 53,088,766.65

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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.