Home / 102,629,588.44-141,628,858.68-56,221,492.36

Finding the Fourth Proportional to 102,629,588.44, 141,628,858.68 and 56,221,492.36

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Solution

The fourth proportional to 102,629,588.44, 141,628,858.68 and 56,221,492.36 is: 77,585,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,629,588.44 : 141,628,858.68 = 56,221,492.36 : x
  2. Step 2: Convert to fraction form
    102,629,588.44/141,628,858.68 = 56,221,492.36/x
  3. Step 3: Cross multiply
    102,629,588.44x = 141,628,858.68 × 56,221,492.36
  4. Step 4: Simplify right side
    102,629,588.44x = 7,962,585,796,233,140
  5. Step 5: Solve for x
    x = 7,962,585,796,233,140/102,629,588.44
  6. Step 6: Final answer
    x = 77,585,674.05

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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.