Home / 144,485,976.60-199,390,784.04-82,607,610.96

Finding the Fourth Proportional to 144,485,976.60, 199,390,784.04 and 82,607,610.96

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Solution

The fourth proportional to 144,485,976.60, 199,390,784.04 and 82,607,610.96 is: 113,998,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,485,976.60 : 199,390,784.04 = 82,607,610.96 : x
  2. Step 2: Convert to fraction form
    144,485,976.60/199,390,784.04 = 82,607,610.96/x
  3. Step 3: Cross multiply
    144,485,976.60x = 199,390,784.04 × 82,607,610.96
  4. Step 4: Simplify right side
    144,485,976.60x = 16,471,196,316,985,696
  5. Step 5: Solve for x
    x = 16,471,196,316,985,696/144,485,976.60
  6. Step 6: Final answer
    x = 113,998,581.07

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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.