Home / 126,935,249.16-190,399,374.54-85,340,958.60

Finding the Fourth Proportional to 126,935,249.16, 190,399,374.54 and 85,340,958.60

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Solution

The fourth proportional to 126,935,249.16, 190,399,374.54 and 85,340,958.60 is: 128,009,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935,249.16 : 190,399,374.54 = 85,340,958.60 : x
  2. Step 2: Convert to fraction form
    126,935,249.16/190,399,374.54 = 85,340,958.60/x
  3. Step 3: Cross multiply
    126,935,249.16x = 190,399,374.54 × 85,340,958.60
  4. Step 4: Simplify right side
    126,935,249.16x = 16,248,865,140,084,032
  5. Step 5: Solve for x
    x = 16,248,865,140,084,032/126,935,249.16
  6. Step 6: Final answer
    x = 128,009,085.32

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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.