Home / 51,231,207-70,699,623.90-28,025,835.72

Finding the Fourth Proportional to 51,231,207, 70,699,623.90 and 28,025,835.72

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Solution

The fourth proportional to 51,231,207, 70,699,623.90 and 28,025,835.72 is: 38,675,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231,207 : 70,699,623.90 = 28,025,835.72 : x
  2. Step 2: Convert to fraction form
    51,231,207/70,699,623.90 = 28,025,835.72/x
  3. Step 3: Cross multiply
    51,231,207x = 70,699,623.90 × 28,025,835.72
  4. Step 4: Simplify right side
    51,231,207x = 1,981,416,044,887,185.75
  5. Step 5: Solve for x
    x = 1,981,416,044,887,185.75/51,231,207
  6. Step 6: Final answer
    x = 38,675,958.68

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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.