Home / 70,124,865.12-96,770,457.54-39,185,288.64

Finding the Fourth Proportional to 70,124,865.12, 96,770,457.54 and 39,185,288.64

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Solution

The fourth proportional to 70,124,865.12, 96,770,457.54 and 39,185,288.64 is: 54,074,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,865.12 : 96,770,457.54 = 39,185,288.64 : x
  2. Step 2: Convert to fraction form
    70,124,865.12/96,770,457.54 = 39,185,288.64/x
  3. Step 3: Cross multiply
    70,124,865.12x = 96,770,457.54 × 39,185,288.64
  4. Step 4: Simplify right side
    70,124,865.12x = 3,791,978,310,529,764.50
  5. Step 5: Solve for x
    x = 3,791,978,310,529,764.50/70,124,865.12
  6. Step 6: Final answer
    x = 54,074,661.02

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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.