Home / 76,127,048.46-105,052,513.79-41,318,991.57

Finding the Fourth Proportional to 76,127,048.46, 105,052,513.79 and 41,318,991.57

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Solution

The fourth proportional to 76,127,048.46, 105,052,513.79 and 41,318,991.57 is: 57,018,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127,048.46 : 105,052,513.79 = 41,318,991.57 : x
  2. Step 2: Convert to fraction form
    76,127,048.46/105,052,513.79 = 41,318,991.57/x
  3. Step 3: Cross multiply
    76,127,048.46x = 105,052,513.79 × 41,318,991.57
  4. Step 4: Simplify right side
    76,127,048.46x = 4,340,663,931,489,723.50
  5. Step 5: Solve for x
    x = 4,340,663,931,489,723.50/76,127,048.46
  6. Step 6: Final answer
    x = 57,018,681.52

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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.