Home / 55,769,207.52-76,930,434-51,823,574.40

Finding the Fourth Proportional to 55,769,207.52, 76,930,434 and 51,823,574.40

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Solution

The fourth proportional to 55,769,207.52, 76,930,434 and 51,823,574.40 is: 71,487,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769,207.52 : 76,930,434 = 51,823,574.40 : x
  2. Step 2: Convert to fraction form
    55,769,207.52/76,930,434 = 51,823,574.40/x
  3. Step 3: Cross multiply
    55,769,207.52x = 76,930,434 × 51,823,574.40
  4. Step 4: Simplify right side
    55,769,207.52x = 3,986,810,070,023,289.50
  5. Step 5: Solve for x
    x = 3,986,810,070,023,289.50/55,769,207.52
  6. Step 6: Final answer
    x = 71,487,658.64

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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.