Home / 76,616,762.40-105,733,379.52-41,811,700.32

Finding the Fourth Proportional to 76,616,762.40, 105,733,379.52 and 41,811,700.32

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Solution

The fourth proportional to 76,616,762.40, 105,733,379.52 and 41,811,700.32 is: 57,701,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,762.40 : 105,733,379.52 = 41,811,700.32 : x
  2. Step 2: Convert to fraction form
    76,616,762.40/105,733,379.52 = 41,811,700.32/x
  3. Step 3: Cross multiply
    76,616,762.40x = 105,733,379.52 × 41,811,700.32
  4. Step 4: Simplify right side
    76,616,762.40x = 4,420,892,378,311,065.50
  5. Step 5: Solve for x
    x = 4,420,892,378,311,065.50/76,616,762.40
  6. Step 6: Final answer
    x = 57,701,372.91

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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.