Home / 72,950,056.20-100,673,464.07-39,909,538.86

Finding the Fourth Proportional to 72,950,056.20, 100,673,464.07 and 39,909,538.86

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Solution

The fourth proportional to 72,950,056.20, 100,673,464.07 and 39,909,538.86 is: 55,076,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950,056.20 : 100,673,464.07 = 39,909,538.86 : x
  2. Step 2: Convert to fraction form
    72,950,056.20/100,673,464.07 = 39,909,538.86/x
  3. Step 3: Cross multiply
    72,950,056.20x = 100,673,464.07 × 39,909,538.86
  4. Step 4: Simplify right side
    72,950,056.20x = 4,017,831,526,272,931
  5. Step 5: Solve for x
    x = 4,017,831,526,272,931/72,950,056.20
  6. Step 6: Final answer
    x = 55,076,469.24

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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.