Home / 90,838,892,680.40-136,263,151,119.80-27,997,353,344.72

Finding the Fourth Proportional to 90,838,892,680.40, 136,263,151,119.80 and 27,997,353,344.72

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Solution

The fourth proportional to 90,838,892,680.40, 136,263,151,119.80 and 27,997,353,344.72 is: 41,997,513,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,838,892,680.40 : 136,263,151,119.80 = 27,997,353,344.72 : x
  2. Step 2: Convert to fraction form
    90,838,892,680.40/136,263,151,119.80 = 27,997,353,344.72/x
  3. Step 3: Cross multiply
    90,838,892,680.40x = 136,263,151,119.80 × 27,997,353,344.72
  4. Step 4: Simplify right side
    90,838,892,680.40x = 3,815,007,589,766,019,416,064
  5. Step 5: Solve for x
    x = 3,815,007,589,766,019,416,064/90,838,892,680.40
  6. Step 6: Final answer
    x = 41,997,513,148.78

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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.