Home / 76,360,444.86-105,379,631.37-41,555,379.90

Finding the Fourth Proportional to 76,360,444.86, 105,379,631.37 and 41,555,379.90

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Solution

The fourth proportional to 76,360,444.86, 105,379,631.37 and 41,555,379.90 is: 57,347,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,360,444.86 : 105,379,631.37 = 41,555,379.90 : x
  2. Step 2: Convert to fraction form
    76,360,444.86/105,379,631.37 = 41,555,379.90/x
  3. Step 3: Cross multiply
    76,360,444.86x = 105,379,631.37 × 41,555,379.90
  4. Step 4: Simplify right side
    76,360,444.86x = 4,379,090,615,302,307.50
  5. Step 5: Solve for x
    x = 4,379,090,615,302,307.50/76,360,444.86
  6. Step 6: Final answer
    x = 57,347,631.01

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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.