Home / 57,639,210.74-86,458,709.51-18,777,616.34

Finding the Fourth Proportional to 57,639,210.74, 86,458,709.51 and 18,777,616.34

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Solution

The fourth proportional to 57,639,210.74, 86,458,709.51 and 18,777,616.34 is: 28,166,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639,210.74 : 86,458,709.51 = 18,777,616.34 : x
  2. Step 2: Convert to fraction form
    57,639,210.74/86,458,709.51 = 18,777,616.34/x
  3. Step 3: Cross multiply
    57,639,210.74x = 86,458,709.51 × 18,777,616.34
  4. Step 4: Simplify right side
    57,639,210.74x = 1,623,488,476,430,289.50
  5. Step 5: Solve for x
    x = 1,623,488,476,430,289.50/57,639,210.74
  6. Step 6: Final answer
    x = 28,166,389.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.