Home / 57,742,185.62-86,614,385.60-18,880,783.92

Finding the Fourth Proportional to 57,742,185.62, 86,614,385.60 and 18,880,783.92

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Solution

The fourth proportional to 57,742,185.62, 86,614,385.60 and 18,880,783.92 is: 28,321,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742,185.62 : 86,614,385.60 = 18,880,783.92 : x
  2. Step 2: Convert to fraction form
    57,742,185.62/86,614,385.60 = 18,880,783.92/x
  3. Step 3: Cross multiply
    57,742,185.62x = 86,614,385.60 × 18,880,783.92
  4. Step 4: Simplify right side
    57,742,185.62x = 1,635,347,498,877,159.50
  5. Step 5: Solve for x
    x = 1,635,347,498,877,159.50/57,742,185.62
  6. Step 6: Final answer
    x = 28,321,537.91

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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.