Home / 45,861,415.80-68,792,123.70-18,567,655.80

Finding the Fourth Proportional to 45,861,415.80, 68,792,123.70 and 18,567,655.80

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Solution

The fourth proportional to 45,861,415.80, 68,792,123.70 and 18,567,655.80 is: 27,851,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,861,415.80 : 68,792,123.70 = 18,567,655.80 : x
  2. Step 2: Convert to fraction form
    45,861,415.80/68,792,123.70 = 18,567,655.80/x
  3. Step 3: Cross multiply
    45,861,415.80x = 68,792,123.70 × 18,567,655.80
  4. Step 4: Simplify right side
    45,861,415.80x = 1,277,308,474,612,622.50
  5. Step 5: Solve for x
    x = 1,277,308,474,612,622.50/45,861,415.80
  6. Step 6: Final answer
    x = 27,851,483.70

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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.