Home / 188,459,968,495.89-260,074,402,363.18-102,820,992,252.85

Finding the Fourth Proportional to 188,459,968,495.89, 260,074,402,363.18 and 102,820,992,252.85

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Solution

The fourth proportional to 188,459,968,495.89, 260,074,402,363.18 and 102,820,992,252.85 is: 141,892,776,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,459,968,495.89 : 260,074,402,363.18 = 102,820,992,252.85 : x
  2. Step 2: Convert to fraction form
    188,459,968,495.89/260,074,402,363.18 = 102,820,992,252.85/x
  3. Step 3: Cross multiply
    188,459,968,495.89x = 260,074,402,363.18 × 102,820,992,252.85
  4. Step 4: Simplify right side
    188,459,968,495.89x = 26,741,108,110,549,124,644,864
  5. Step 5: Solve for x
    x = 26,741,108,110,549,124,644,864/188,459,968,495.89
  6. Step 6: Final answer
    x = 141,892,776,083.81

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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.