Home / 129,359,664.20-194,039,496.30-118,778,083.40

Finding the Fourth Proportional to 129,359,664.20, 194,039,496.30 and 118,778,083.40

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Solution

The fourth proportional to 129,359,664.20, 194,039,496.30 and 118,778,083.40 is: 178,167,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,359,664.20 : 194,039,496.30 = 118,778,083.40 : x
  2. Step 2: Convert to fraction form
    129,359,664.20/194,039,496.30 = 118,778,083.40/x
  3. Step 3: Cross multiply
    129,359,664.20x = 194,039,496.30 × 118,778,083.40
  4. Step 4: Simplify right side
    129,359,664.20x = 23,047,639,474,415,392
  5. Step 5: Solve for x
    x = 23,047,639,474,415,392/129,359,664.20
  6. Step 6: Final answer
    x = 178,167,125.10

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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.