Home / 86,956,306.60-119,998,995.76-47,797,667.00

Finding the Fourth Proportional to 86,956,306.60, 119,998,995.76 and 47,797,667.00

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Solution

The fourth proportional to 86,956,306.60, 119,998,995.76 and 47,797,667.00 is: 65,960,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,956,306.60 : 119,998,995.76 = 47,797,667.00 : x
  2. Step 2: Convert to fraction form
    86,956,306.60/119,998,995.76 = 47,797,667.00/x
  3. Step 3: Cross multiply
    86,956,306.60x = 119,998,995.76 × 47,797,667.00
  4. Step 4: Simplify right side
    86,956,306.60x = 5,735,672,040,121,324
  5. Step 5: Solve for x
    x = 5,735,672,040,121,324/86,956,306.60
  6. Step 6: Final answer
    x = 65,960,391.65

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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.