Home / 57,069,179-85,585,786.12-18,721,757.24

Finding the Fourth Proportional to 57,069,179, 85,585,786.12 and 18,721,757.24

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Solution

The fourth proportional to 57,069,179, 85,585,786.12 and 18,721,757.24 is: 28,076,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,179 : 85,585,786.12 = 18,721,757.24 : x
  2. Step 2: Convert to fraction form
    57,069,179/85,585,786.12 = 18,721,757.24/x
  3. Step 3: Cross multiply
    57,069,179x = 85,585,786.12 × 18,721,757.24
  4. Step 4: Simplify right side
    57,069,179x = 1,602,316,310,933,201.50
  5. Step 5: Solve for x
    x = 1,602,316,310,933,201.50/57,069,179
  6. Step 6: Final answer
    x = 28,076,736.67

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1.5x scale

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.