Home / 110,553,971.58-165,490,835.13-72,132,755.58

Finding the Fourth Proportional to 110,553,971.58, 165,490,835.13 and 72,132,755.58

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Solution

The fourth proportional to 110,553,971.58, 165,490,835.13 and 72,132,755.58 is: 107,977,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553,971.58 : 165,490,835.13 = 72,132,755.58 : x
  2. Step 2: Convert to fraction form
    110,553,971.58/165,490,835.13 = 72,132,755.58/x
  3. Step 3: Cross multiply
    110,553,971.58x = 165,490,835.13 × 72,132,755.58
  4. Step 4: Simplify right side
    110,553,971.58x = 11,937,309,961,162,366
  5. Step 5: Solve for x
    x = 11,937,309,961,162,366/110,553,971.58
  6. Step 6: Final answer
    x = 107,977,215.03

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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.