Home / 91,405,776.11-126,140,210.60-49,589,839.28

Finding the Fourth Proportional to 91,405,776.11, 126,140,210.60 and 49,589,839.28

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Solution

The fourth proportional to 91,405,776.11, 126,140,210.60 and 49,589,839.28 is: 68,434,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,405,776.11 : 126,140,210.60 = 49,589,839.28 : x
  2. Step 2: Convert to fraction form
    91,405,776.11/126,140,210.60 = 49,589,839.28/x
  3. Step 3: Cross multiply
    91,405,776.11x = 126,140,210.60 × 49,589,839.28
  4. Step 4: Simplify right side
    91,405,776.11x = 6,255,272,769,520,702
  5. Step 5: Solve for x
    x = 6,255,272,769,520,702/91,405,776.11
  6. Step 6: Final answer
    x = 68,434,108.17

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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.