Home / 171,607,360.68-257,066,392.14-79,361,800.20

Finding the Fourth Proportional to 171,607,360.68, 257,066,392.14 and 79,361,800.20

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Solution

The fourth proportional to 171,607,360.68, 257,066,392.14 and 79,361,800.20 is: 118,883,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607,360.68 : 257,066,392.14 = 79,361,800.20 : x
  2. Step 2: Convert to fraction form
    171,607,360.68/257,066,392.14 = 79,361,800.20/x
  3. Step 3: Cross multiply
    171,607,360.68x = 257,066,392.14 × 79,361,800.20
  4. Step 4: Simplify right side
    171,607,360.68x = 20,401,251,651,149,532
  5. Step 5: Solve for x
    x = 20,401,251,651,149,532/171,607,360.68
  6. Step 6: Final answer
    x = 118,883,313.46

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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.