Home / 188,459,968,493.70-260,074,402,360.15-102,820,992,250.66

Finding the Fourth Proportional to 188,459,968,493.70, 260,074,402,360.15 and 102,820,992,250.66

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Solution

The fourth proportional to 188,459,968,493.70, 260,074,402,360.15 and 102,820,992,250.66 is: 141,892,776,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,459,968,493.70 : 260,074,402,360.15 = 102,820,992,250.66 : x
  2. Step 2: Convert to fraction form
    188,459,968,493.70/260,074,402,360.15 = 102,820,992,250.66/x
  3. Step 3: Cross multiply
    188,459,968,493.70x = 260,074,402,360.15 × 102,820,992,250.66
  4. Step 4: Simplify right side
    188,459,968,493.70x = 26,741,108,109,668,014,620,672
  5. Step 5: Solve for x
    x = 26,741,108,109,668,014,620,672/188,459,968,493.70
  6. Step 6: Final answer
    x = 141,892,776,080.78

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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.