Home / 147,260,857.65-203,220,597.38-81,179,904.21

Finding the Fourth Proportional to 147,260,857.65, 203,220,597.38 and 81,179,904.21

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Solution

The fourth proportional to 147,260,857.65, 203,220,597.38 and 81,179,904.21 is: 112,028,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260,857.65 : 203,220,597.38 = 81,179,904.21 : x
  2. Step 2: Convert to fraction form
    147,260,857.65/203,220,597.38 = 81,179,904.21/x
  3. Step 3: Cross multiply
    147,260,857.65x = 203,220,597.38 × 81,179,904.21
  4. Step 4: Simplify right side
    147,260,857.65x = 16,497,428,628,401,476
  5. Step 5: Solve for x
    x = 16,497,428,628,401,476/147,260,857.65
  6. Step 6: Final answer
    x = 112,028,606.19

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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.