Home / 187,840,021.75-281,762,201.87-56,683,433.58

Finding the Fourth Proportional to 187,840,021.75, 281,762,201.87 and 56,683,433.58

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Solution

The fourth proportional to 187,840,021.75, 281,762,201.87 and 56,683,433.58 is: 85,025,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,840,021.75 : 281,762,201.87 = 56,683,433.58 : x
  2. Step 2: Convert to fraction form
    187,840,021.75/281,762,201.87 = 56,683,433.58/x
  3. Step 3: Cross multiply
    187,840,021.75x = 281,762,201.87 × 56,683,433.58
  4. Step 4: Simplify right side
    187,840,021.75x = 15,971,249,055,052,696
  5. Step 5: Solve for x
    x = 15,971,249,055,052,696/187,840,021.75
  6. Step 6: Final answer
    x = 85,025,804.97

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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.