Home / 92,685,770.80-139,028,656.20-71,228,676.40

Finding the Fourth Proportional to 92,685,770.80, 139,028,656.20 and 71,228,676.40

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Solution

The fourth proportional to 92,685,770.80, 139,028,656.20 and 71,228,676.40 is: 106,843,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685,770.80 : 139,028,656.20 = 71,228,676.40 : x
  2. Step 2: Convert to fraction form
    92,685,770.80/139,028,656.20 = 71,228,676.40/x
  3. Step 3: Cross multiply
    92,685,770.80x = 139,028,656.20 × 71,228,676.40
  4. Step 4: Simplify right side
    92,685,770.80x = 9,902,827,162,796,654
  5. Step 5: Solve for x
    x = 9,902,827,162,796,654/92,685,770.80
  6. Step 6: Final answer
    x = 106,843,014.60

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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.