Home / 129,096,977.49-193,645,347.91-40,466,185.58

Finding the Fourth Proportional to 129,096,977.49, 193,645,347.91 and 40,466,185.58

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Solution

The fourth proportional to 129,096,977.49, 193,645,347.91 and 40,466,185.58 is: 60,699,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,096,977.49 : 193,645,347.91 = 40,466,185.58 : x
  2. Step 2: Convert to fraction form
    129,096,977.49/193,645,347.91 = 40,466,185.58/x
  3. Step 3: Cross multiply
    129,096,977.49x = 193,645,347.91 × 40,466,185.58
  4. Step 4: Simplify right side
    129,096,977.49x = 7,836,088,585,612,674
  5. Step 5: Solve for x
    x = 7,836,088,585,612,674/129,096,977.49
  6. Step 6: Final answer
    x = 60,699,241.28

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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.