Home / 51,981,784.16-71,732,020.20-28,455,769.76

Finding the Fourth Proportional to 51,981,784.16, 71,732,020.20 and 28,455,769.76

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Solution

The fourth proportional to 51,981,784.16, 71,732,020.20 and 28,455,769.76 is: 39,267,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,784.16 : 71,732,020.20 = 28,455,769.76 : x
  2. Step 2: Convert to fraction form
    51,981,784.16/71,732,020.20 = 28,455,769.76/x
  3. Step 3: Cross multiply
    51,981,784.16x = 71,732,020.20 × 28,455,769.76
  4. Step 4: Simplify right side
    51,981,784.16x = 2,041,189,850,765,500
  5. Step 5: Solve for x
    x = 2,041,189,850,765,500/51,981,784.16
  6. Step 6: Final answer
    x = 39,267,406.53

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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.