Home / 165,226,843,113.72-247,890,844,985.95-84,609,626,508.34

Finding the Fourth Proportional to 165,226,843,113.72, 247,890,844,985.95 and 84,609,626,508.34

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Solution

The fourth proportional to 165,226,843,113.72, 247,890,844,985.95 and 84,609,626,508.34 is: 126,940,341,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,226,843,113.72 : 247,890,844,985.95 = 84,609,626,508.34 : x
  2. Step 2: Convert to fraction form
    165,226,843,113.72/247,890,844,985.95 = 84,609,626,508.34/x
  3. Step 3: Cross multiply
    165,226,843,113.72x = 247,890,844,985.95 × 84,609,626,508.34
  4. Step 4: Simplify right side
    165,226,843,113.72x = 20,973,951,809,096,798,699,520
  5. Step 5: Solve for x
    x = 20,973,951,809,096,798,699,520/165,226,843,113.72
  6. Step 6: Final answer
    x = 126,940,341,011.43

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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.