Home / 108,804,933.90-163,207,400.85-76,493,321.10

Finding the Fourth Proportional to 108,804,933.90, 163,207,400.85 and 76,493,321.10

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Solution

The fourth proportional to 108,804,933.90, 163,207,400.85 and 76,493,321.10 is: 114,739,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,933.90 : 163,207,400.85 = 76,493,321.10 : x
  2. Step 2: Convert to fraction form
    108,804,933.90/163,207,400.85 = 76,493,321.10/x
  3. Step 3: Cross multiply
    108,804,933.90x = 163,207,400.85 × 76,493,321.10
  4. Step 4: Simplify right side
    108,804,933.90x = 12,484,276,119,115,462
  5. Step 5: Solve for x
    x = 12,484,276,119,115,462/108,804,933.90
  6. Step 6: Final answer
    x = 114,739,981.65

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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.