Home / 127,110,003.60-190,665,005.40-40,857,129.30

Finding the Fourth Proportional to 127,110,003.60, 190,665,005.40 and 40,857,129.30

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Solution

The fourth proportional to 127,110,003.60, 190,665,005.40 and 40,857,129.30 is: 61,285,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,110,003.60 : 190,665,005.40 = 40,857,129.30 : x
  2. Step 2: Convert to fraction form
    127,110,003.60/190,665,005.40 = 40,857,129.30/x
  3. Step 3: Cross multiply
    127,110,003.60x = 190,665,005.40 × 40,857,129.30
  4. Step 4: Simplify right side
    127,110,003.60x = 7,790,024,778,612,998
  5. Step 5: Solve for x
    x = 7,790,024,778,612,998/127,110,003.60
  6. Step 6: Final answer
    x = 61,285,693.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.