Home / 70,988,215.40-97,968,217.39-40,037,091.56

Finding the Fourth Proportional to 70,988,215.40, 97,968,217.39 and 40,037,091.56

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Solution

The fourth proportional to 70,988,215.40, 97,968,217.39 and 40,037,091.56 is: 55,253,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988,215.40 : 97,968,217.39 = 40,037,091.56 : x
  2. Step 2: Convert to fraction form
    70,988,215.40/97,968,217.39 = 40,037,091.56/x
  3. Step 3: Cross multiply
    70,988,215.40x = 97,968,217.39 × 40,037,091.56
  4. Step 4: Simplify right side
    70,988,215.40x = 3,922,362,489,023,480.50
  5. Step 5: Solve for x
    x = 3,922,362,489,023,480.50/70,988,215.40
  6. Step 6: Final answer
    x = 55,253,713.13

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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.