Home / 71,094,642,406.05-106,630,611,714.03-20,718,292,611.96

Finding the Fourth Proportional to 71,094,642,406.05, 106,630,611,714.03 and 20,718,292,611.96

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Solution

The fourth proportional to 71,094,642,406.05, 106,630,611,714.03 and 20,718,292,611.96 is: 31,074,130,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094,642,406.05 : 106,630,611,714.03 = 20,718,292,611.96 : x
  2. Step 2: Convert to fraction form
    71,094,642,406.05/106,630,611,714.03 = 20,718,292,611.96/x
  3. Step 3: Cross multiply
    71,094,642,406.05x = 106,630,611,714.03 × 20,718,292,611.96
  4. Step 4: Simplify right side
    71,094,642,406.05x = 2,209,204,214,883,563,077,632
  5. Step 5: Solve for x
    x = 2,209,204,214,883,563,077,632/71,094,642,406.05
  6. Step 6: Final answer
    x = 31,074,130,765.94

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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.