Home / 108,172,022.76-149,278,567.14-59,278,401

Finding the Fourth Proportional to 108,172,022.76, 149,278,567.14 and 59,278,401

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Solution

The fourth proportional to 108,172,022.76, 149,278,567.14 and 59,278,401 is: 81,804,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172,022.76 : 149,278,567.14 = 59,278,401 : x
  2. Step 2: Convert to fraction form
    108,172,022.76/149,278,567.14 = 59,278,401/x
  3. Step 3: Cross multiply
    108,172,022.76x = 149,278,567.14 × 59,278,401
  4. Step 4: Simplify right side
    108,172,022.76x = 8,848,994,763,630,342
  5. Step 5: Solve for x
    x = 8,848,994,763,630,342/108,172,022.76
  6. Step 6: Final answer
    x = 81,804,837.68

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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.