Home / 110,835,602.70-165,969,968.85-81,925,212.30

Finding the Fourth Proportional to 110,835,602.70, 165,969,968.85 and 81,925,212.30

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Solution

The fourth proportional to 110,835,602.70, 165,969,968.85 and 81,925,212.30 is: 122,678,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,835,602.70 : 165,969,968.85 = 81,925,212.30 : x
  2. Step 2: Convert to fraction form
    110,835,602.70/165,969,968.85 = 81,925,212.30/x
  3. Step 3: Cross multiply
    110,835,602.70x = 165,969,968.85 × 81,925,212.30
  4. Step 4: Simplify right side
    110,835,602.70x = 13,597,124,933,460,636
  5. Step 5: Solve for x
    x = 13,597,124,933,460,636/110,835,602.70
  6. Step 6: Final answer
    x = 122,678,314.57

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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.