Home / 71,870,461.16-107,823,834.40-20,055,020.36

Finding the Fourth Proportional to 71,870,461.16, 107,823,834.40 and 20,055,020.36

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Solution

The fourth proportional to 71,870,461.16, 107,823,834.40 and 20,055,020.36 is: 30,087,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,870,461.16 : 107,823,834.40 = 20,055,020.36 : x
  2. Step 2: Convert to fraction form
    71,870,461.16/107,823,834.40 = 20,055,020.36/x
  3. Step 3: Cross multiply
    71,870,461.16x = 107,823,834.40 × 20,055,020.36
  4. Step 4: Simplify right side
    71,870,461.16x = 2,162,409,194,185,268.50
  5. Step 5: Solve for x
    x = 2,162,409,194,185,268.50/71,870,461.16
  6. Step 6: Final answer
    x = 30,087,593.14

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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.