Home / 76,616,497.89-105,732,999.98-41,811,430.20

Finding the Fourth Proportional to 76,616,497.89, 105,732,999.98 and 41,811,430.20

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Solution

The fourth proportional to 76,616,497.89, 105,732,999.98 and 41,811,430.20 is: 57,700,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,497.89 : 105,732,999.98 = 41,811,430.20 : x
  2. Step 2: Convert to fraction form
    76,616,497.89/105,732,999.98 = 41,811,430.20/x
  3. Step 3: Cross multiply
    76,616,497.89x = 105,732,999.98 × 41,811,430.20
  4. Step 4: Simplify right side
    76,616,497.89x = 4,420,847,948,051,608.50
  5. Step 5: Solve for x
    x = 4,420,847,948,051,608.50/76,616,497.89
  6. Step 6: Final answer
    x = 57,700,992.21

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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.