Home / 197,520,300.25-272,577,918.76-118,135,359.86

Finding the Fourth Proportional to 197,520,300.25, 272,577,918.76 and 118,135,359.86

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Solution

The fourth proportional to 197,520,300.25, 272,577,918.76 and 118,135,359.86 is: 163,026,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520,300.25 : 272,577,918.76 = 118,135,359.86 : x
  2. Step 2: Convert to fraction form
    197,520,300.25/272,577,918.76 = 118,135,359.86/x
  3. Step 3: Cross multiply
    197,520,300.25x = 272,577,918.76 × 118,135,359.86
  4. Step 4: Simplify right side
    197,520,300.25x = 32,201,090,520,944,216
  5. Step 5: Solve for x
    x = 32,201,090,520,944,216/197,520,300.25
  6. Step 6: Final answer
    x = 163,026,739.43

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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.