Home / 79,439,896.44-109,628,368.20-43,677,848.16

Finding the Fourth Proportional to 79,439,896.44, 109,628,368.20 and 43,677,848.16

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Solution

The fourth proportional to 79,439,896.44, 109,628,368.20 and 43,677,848.16 is: 60,276,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,896.44 : 109,628,368.20 = 43,677,848.16 : x
  2. Step 2: Convert to fraction form
    79,439,896.44/109,628,368.20 = 43,677,848.16/x
  3. Step 3: Cross multiply
    79,439,896.44x = 109,628,368.20 × 43,677,848.16
  4. Step 4: Simplify right side
    79,439,896.44x = 4,788,331,220,268,172
  5. Step 5: Solve for x
    x = 4,788,331,220,268,172/79,439,896.44
  6. Step 6: Final answer
    x = 60,276,151.34

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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.