Home / 137,765,897.85-190,116,949.43-75,886,236.42

Finding the Fourth Proportional to 137,765,897.85, 190,116,949.43 and 75,886,236.42

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Solution

The fourth proportional to 137,765,897.85, 190,116,949.43 and 75,886,236.42 is: 104,723,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,897.85 : 190,116,949.43 = 75,886,236.42 : x
  2. Step 2: Convert to fraction form
    137,765,897.85/190,116,949.43 = 75,886,236.42/x
  3. Step 3: Cross multiply
    137,765,897.85x = 190,116,949.43 × 75,886,236.42
  4. Step 4: Simplify right side
    137,765,897.85x = 14,427,259,771,370,942
  5. Step 5: Solve for x
    x = 14,427,259,771,370,942/137,765,897.85
  6. Step 6: Final answer
    x = 104,723,011.98

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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.