Home / 70,628,139.25-105,885,037.95-22,081,003.90

Finding the Fourth Proportional to 70,628,139.25, 105,885,037.95 and 22,081,003.90

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Solution

The fourth proportional to 70,628,139.25, 105,885,037.95 and 22,081,003.90 is: 33,103,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,628,139.25 : 105,885,037.95 = 22,081,003.90 : x
  2. Step 2: Convert to fraction form
    70,628,139.25/105,885,037.95 = 22,081,003.90/x
  3. Step 3: Cross multiply
    70,628,139.25x = 105,885,037.95 × 22,081,003.90
  4. Step 4: Simplify right side
    70,628,139.25x = 2,338,047,935,396,173
  5. Step 5: Solve for x
    x = 2,338,047,935,396,173/70,628,139.25
  6. Step 6: Final answer
    x = 33,103,632.07

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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.