Home / 51,846,885.92-71,548,478.16-28,642,011.68

Finding the Fourth Proportional to 51,846,885.92, 71,548,478.16 and 28,642,011.68

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Solution

The fourth proportional to 51,846,885.92, 71,548,478.16 and 28,642,011.68 is: 39,525,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,846,885.92 : 71,548,478.16 = 28,642,011.68 : x
  2. Step 2: Convert to fraction form
    51,846,885.92/71,548,478.16 = 28,642,011.68/x
  3. Step 3: Cross multiply
    51,846,885.92x = 71,548,478.16 × 28,642,011.68
  4. Step 4: Simplify right side
    51,846,885.92x = 2,049,292,347,144,944.75
  5. Step 5: Solve for x
    x = 2,049,292,347,144,944.75/51,846,885.92
  6. Step 6: Final answer
    x = 39,525,852.15

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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.