Home / 40,380,100,164.45-60,516,004,031.68-31,427,099,641.80

Finding the Fourth Proportional to 40,380,100,164.45, 60,516,004,031.68 and 31,427,099,641.80

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Solution

The fourth proportional to 40,380,100,164.45, 60,516,004,031.68 and 31,427,099,641.80 is: 47,098,508,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380,100,164.45 : 60,516,004,031.68 = 31,427,099,641.80 : x
  2. Step 2: Convert to fraction form
    40,380,100,164.45/60,516,004,031.68 = 31,427,099,641.80/x
  3. Step 3: Cross multiply
    40,380,100,164.45x = 60,516,004,031.68 × 31,427,099,641.80
  4. Step 4: Simplify right side
    40,380,100,164.45x = 1,901,842,488,627,303,546,880
  5. Step 5: Solve for x
    x = 1,901,842,488,627,303,546,880/40,380,100,164.45
  6. Step 6: Final answer
    x = 47,098,508,445.55

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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.