Home / 120,119,088.70-180,178,633.05-107,364,504.70

Finding the Fourth Proportional to 120,119,088.70, 180,178,633.05 and 107,364,504.70

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Solution

The fourth proportional to 120,119,088.70, 180,178,633.05 and 107,364,504.70 is: 161,046,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,119,088.70 : 180,178,633.05 = 107,364,504.70 : x
  2. Step 2: Convert to fraction form
    120,119,088.70/180,178,633.05 = 107,364,504.70/x
  3. Step 3: Cross multiply
    120,119,088.70x = 180,178,633.05 × 107,364,504.70
  4. Step 4: Simplify right side
    120,119,088.70x = 19,344,789,694,936,304
  5. Step 5: Solve for x
    x = 19,344,789,694,936,304/120,119,088.70
  6. Step 6: Final answer
    x = 161,046,757.05

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1.5x scale

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.