Home / 109,767,380.13-151,512,904.85-70,609,157.73

Finding the Fourth Proportional to 109,767,380.13, 151,512,904.85 and 70,609,157.73

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Solution

The fourth proportional to 109,767,380.13, 151,512,904.85 and 70,609,157.73 is: 97,462,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,767,380.13 : 151,512,904.85 = 70,609,157.73 : x
  2. Step 2: Convert to fraction form
    109,767,380.13/151,512,904.85 = 70,609,157.73/x
  3. Step 3: Cross multiply
    109,767,380.13x = 151,512,904.85 × 70,609,157.73
  4. Step 4: Simplify right side
    109,767,380.13x = 10,698,198,596,331,086
  5. Step 5: Solve for x
    x = 10,698,198,596,331,086/109,767,380.13
  6. Step 6: Final answer
    x = 97,462,457.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.