Home / 66,883,670.70-100,325,506.05-38,185,856.70

Finding the Fourth Proportional to 66,883,670.70, 100,325,506.05 and 38,185,856.70

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Solution

The fourth proportional to 66,883,670.70, 100,325,506.05 and 38,185,856.70 is: 57,278,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883,670.70 : 100,325,506.05 = 38,185,856.70 : x
  2. Step 2: Convert to fraction form
    66,883,670.70/100,325,506.05 = 38,185,856.70/x
  3. Step 3: Cross multiply
    66,883,670.70x = 100,325,506.05 × 38,185,856.70
  4. Step 4: Simplify right side
    66,883,670.70x = 3,831,015,397,380,283
  5. Step 5: Solve for x
    x = 3,831,015,397,380,283/66,883,670.70
  6. Step 6: Final answer
    x = 57,278,785.05

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1.5x scale

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.