Home / 72,503,670.24-100,064,620.08-43,532,160.48

Finding the Fourth Proportional to 72,503,670.24, 100,064,620.08 and 43,532,160.48

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Solution

The fourth proportional to 72,503,670.24, 100,064,620.08 and 43,532,160.48 is: 60,080,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503,670.24 : 100,064,620.08 = 43,532,160.48 : x
  2. Step 2: Convert to fraction form
    72,503,670.24/100,064,620.08 = 43,532,160.48/x
  3. Step 3: Cross multiply
    72,503,670.24x = 100,064,620.08 × 43,532,160.48
  4. Step 4: Simplify right side
    72,503,670.24x = 4,356,029,099,692,790
  5. Step 5: Solve for x
    x = 4,356,029,099,692,790/72,503,670.24
  6. Step 6: Final answer
    x = 60,080,118.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.