Home / 82,989,215.51-114,418,634.94-68,049,490.46

Finding the Fourth Proportional to 82,989,215.51, 114,418,634.94 and 68,049,490.46

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Solution

The fourth proportional to 82,989,215.51, 114,418,634.94 and 68,049,490.46 is: 93,820,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989,215.51 : 114,418,634.94 = 68,049,490.46 : x
  2. Step 2: Convert to fraction form
    82,989,215.51/114,418,634.94 = 68,049,490.46/x
  3. Step 3: Cross multiply
    82,989,215.51x = 114,418,634.94 × 68,049,490.46
  4. Step 4: Simplify right side
    82,989,215.51x = 7,786,129,806,795,752
  5. Step 5: Solve for x
    x = 7,786,129,806,795,752/82,989,215.51
  6. Step 6: Final answer
    x = 93,820,983.35

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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.