Home / 79,721,539.88-110,015,723.94-43,052,109.80

Finding the Fourth Proportional to 79,721,539.88, 110,015,723.94 and 43,052,109.80

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Solution

The fourth proportional to 79,721,539.88, 110,015,723.94 and 43,052,109.80 is: 59,411,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721,539.88 : 110,015,723.94 = 43,052,109.80 : x
  2. Step 2: Convert to fraction form
    79,721,539.88/110,015,723.94 = 43,052,109.80/x
  3. Step 3: Cross multiply
    79,721,539.88x = 110,015,723.94 × 43,052,109.80
  4. Step 4: Simplify right side
    79,721,539.88x = 4,736,409,026,791,368
  5. Step 5: Solve for x
    x = 4,736,409,026,791,368/79,721,539.88
  6. Step 6: Final answer
    x = 59,411,910.93

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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.