Home / 129,143,680,212.15-193,715,520,318.22-127,402,254,343.35

Finding the Fourth Proportional to 129,143,680,212.15, 193,715,520,318.22 and 127,402,254,343.35

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Solution

The fourth proportional to 129,143,680,212.15, 193,715,520,318.22 and 127,402,254,343.35 is: 191,103,381,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,143,680,212.15 : 193,715,520,318.22 = 127,402,254,343.35 : x
  2. Step 2: Convert to fraction form
    129,143,680,212.15/193,715,520,318.22 = 127,402,254,343.35/x
  3. Step 3: Cross multiply
    129,143,680,212.15x = 193,715,520,318.22 × 127,402,254,343.35
  4. Step 4: Simplify right side
    129,143,680,212.15x = 24,679,793,989,836,251,070,464
  5. Step 5: Solve for x
    x = 24,679,793,989,836,251,070,464/129,143,680,212.15
  6. Step 6: Final answer
    x = 191,103,381,515.02

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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.