Home / 117,860,857,143.48-162,678,245,110.92-76,763,647,461.78

Finding the Fourth Proportional to 117,860,857,143.48, 162,678,245,110.92 and 76,763,647,461.78

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Solution

The fourth proportional to 117,860,857,143.48, 162,678,245,110.92 and 76,763,647,461.78 is: 105,953,543,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,860,857,143.48 : 162,678,245,110.92 = 76,763,647,461.78 : x
  2. Step 2: Convert to fraction form
    117,860,857,143.48/162,678,245,110.92 = 76,763,647,461.78/x
  3. Step 3: Cross multiply
    117,860,857,143.48x = 162,678,245,110.92 × 76,763,647,461.78
  4. Step 4: Simplify right side
    117,860,857,143.48x = 12,487,775,457,395,699,875,840
  5. Step 5: Solve for x
    x = 12,487,775,457,395,699,875,840/117,860,857,143.48
  6. Step 6: Final answer
    x = 105,953,543,526.27

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1.5x scale

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.