Home / 76,363,212-105,381,250.20-42,024,396

Finding the Fourth Proportional to 76,363,212, 105,381,250.20 and 42,024,396

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Solution

The fourth proportional to 76,363,212, 105,381,250.20 and 42,024,396 is: 57,993,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363,212 : 105,381,250.20 = 42,024,396 : x
  2. Step 2: Convert to fraction form
    76,363,212/105,381,250.20 = 42,024,396/x
  3. Step 3: Cross multiply
    76,363,212x = 105,381,250.20 × 42,024,396
  4. Step 4: Simplify right side
    76,363,212x = 4,428,583,389,379,879.50
  5. Step 5: Solve for x
    x = 4,428,583,389,379,879.50/76,363,212
  6. Step 6: Final answer
    x = 57,993,676.19

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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.