Home / 51,507,166.14-71,079,869.16-28,303,789.50

Finding the Fourth Proportional to 51,507,166.14, 71,079,869.16 and 28,303,789.50

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Solution

The fourth proportional to 51,507,166.14, 71,079,869.16 and 28,303,789.50 is: 39,059,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507,166.14 : 71,079,869.16 = 28,303,789.50 : x
  2. Step 2: Convert to fraction form
    51,507,166.14/71,079,869.16 = 28,303,789.50/x
  3. Step 3: Cross multiply
    51,507,166.14x = 71,079,869.16 × 28,303,789.50
  4. Step 4: Simplify right side
    51,507,166.14x = 2,011,829,654,392,181.75
  5. Step 5: Solve for x
    x = 2,011,829,654,392,181.75/51,507,166.14
  6. Step 6: Final answer
    x = 39,059,218.46

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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.