Home / 123,619,716.84-170,594,787.78-67,863,749.16

Finding the Fourth Proportional to 123,619,716.84, 170,594,787.78 and 67,863,749.16

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Solution

The fourth proportional to 123,619,716.84, 170,594,787.78 and 67,863,749.16 is: 93,651,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,619,716.84 : 170,594,787.78 = 67,863,749.16 : x
  2. Step 2: Convert to fraction form
    123,619,716.84/170,594,787.78 = 67,863,749.16/x
  3. Step 3: Cross multiply
    123,619,716.84x = 170,594,787.78 × 67,863,749.16
  4. Step 4: Simplify right side
    123,619,716.84x = 11,577,201,885,905,352
  5. Step 5: Solve for x
    x = 11,577,201,885,905,352/123,619,716.84
  6. Step 6: Final answer
    x = 93,651,742.47

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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.