Home / 76,616,605-105,733,147.80-41,811,537.34

Finding the Fourth Proportional to 76,616,605, 105,733,147.80 and 41,811,537.34

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Solution

The fourth proportional to 76,616,605, 105,733,147.80 and 41,811,537.34 is: 57,701,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,605 : 105,733,147.80 = 41,811,537.34 : x
  2. Step 2: Convert to fraction form
    76,616,605/105,733,147.80 = 41,811,537.34/x
  3. Step 3: Cross multiply
    76,616,605x = 105,733,147.80 × 41,811,537.34
  4. Step 4: Simplify right side
    76,616,605x = 4,420,865,457,315,439
  5. Step 5: Solve for x
    x = 4,420,865,457,315,439/76,616,605
  6. Step 6: Final answer
    x = 57,701,140.08

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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.