Home / 99,632,619.44-137,489,897.04-58,406,969.60

Finding the Fourth Proportional to 99,632,619.44, 137,489,897.04 and 58,406,969.60

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Solution

The fourth proportional to 99,632,619.44, 137,489,897.04 and 58,406,969.60 is: 80,599,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632,619.44 : 137,489,897.04 = 58,406,969.60 : x
  2. Step 2: Convert to fraction form
    99,632,619.44/137,489,897.04 = 58,406,969.60/x
  3. Step 3: Cross multiply
    99,632,619.44x = 137,489,897.04 × 58,406,969.60
  4. Step 4: Simplify right side
    99,632,619.44x = 8,030,368,236,722,410
  5. Step 5: Solve for x
    x = 8,030,368,236,722,410/99,632,619.44
  6. Step 6: Final answer
    x = 80,599,790.33

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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.