Home / 76,616,455.45-105,732,941.54-41,811,387.86

Finding the Fourth Proportional to 76,616,455.45, 105,732,941.54 and 41,811,387.86

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Solution

The fourth proportional to 76,616,455.45, 105,732,941.54 and 41,811,387.86 is: 57,700,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,455.45 : 105,732,941.54 = 41,811,387.86 : x
  2. Step 2: Convert to fraction form
    76,616,455.45/105,732,941.54 = 41,811,387.86/x
  3. Step 3: Cross multiply
    76,616,455.45x = 105,732,941.54 × 41,811,387.86
  4. Step 4: Simplify right side
    76,616,455.45x = 4,420,841,027,569,923.50
  5. Step 5: Solve for x
    x = 4,420,841,027,569,923.50/76,616,455.45
  6. Step 6: Final answer
    x = 57,700,933.85

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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.