Home / 71,094,642,401.63-106,630,611,707.39-20,718,292,607.51

Finding the Fourth Proportional to 71,094,642,401.63, 106,630,611,707.39 and 20,718,292,607.51

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Solution

The fourth proportional to 71,094,642,401.63, 106,630,611,707.39 and 20,718,292,607.51 is: 31,074,130,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094,642,401.63 : 106,630,611,707.39 = 20,718,292,607.51 : x
  2. Step 2: Convert to fraction form
    71,094,642,401.63/106,630,611,707.39 = 20,718,292,607.51/x
  3. Step 3: Cross multiply
    71,094,642,401.63x = 106,630,611,707.39 × 20,718,292,607.51
  4. Step 4: Simplify right side
    71,094,642,401.63x = 2,209,204,214,271,487,246,336
  5. Step 5: Solve for x
    x = 2,209,204,214,271,487,246,336/71,094,642,401.63
  6. Step 6: Final answer
    x = 31,074,130,759.27

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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.