Home / 129,358,791,863.60-194,038,187,795.40-110,420,785,540.40

Finding the Fourth Proportional to 129,358,791,863.60, 194,038,187,795.40 and 110,420,785,540.40

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Solution

The fourth proportional to 129,358,791,863.60, 194,038,187,795.40 and 110,420,785,540.40 is: 165,631,178,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358,791,863.60 : 194,038,187,795.40 = 110,420,785,540.40 : x
  2. Step 2: Convert to fraction form
    129,358,791,863.60/194,038,187,795.40 = 110,420,785,540.40/x
  3. Step 3: Cross multiply
    129,358,791,863.60x = 194,038,187,795.40 × 110,420,785,540.40
  4. Step 4: Simplify right side
    129,358,791,863.60x = 21,425,849,121,203,722,125,312
  5. Step 5: Solve for x
    x = 21,425,849,121,203,722,125,312/129,358,791,863.60
  6. Step 6: Final answer
    x = 165,631,178,310.60

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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.