Home / 57,069,274.29-85,585,928.36-18,721,852.53

Finding the Fourth Proportional to 57,069,274.29, 85,585,928.36 and 18,721,852.53

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Solution

The fourth proportional to 57,069,274.29, 85,585,928.36 and 18,721,852.53 is: 28,076,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,274.29 : 85,585,928.36 = 18,721,852.53 : x
  2. Step 2: Convert to fraction form
    57,069,274.29/85,585,928.36 = 18,721,852.53/x
  3. Step 3: Cross multiply
    57,069,274.29x = 85,585,928.36 × 18,721,852.53
  4. Step 4: Simplify right side
    57,069,274.29x = 1,602,327,129,305,455.75
  5. Step 5: Solve for x
    x = 1,602,327,129,305,455.75/57,069,274.29
  6. Step 6: Final answer
    x = 28,076,879.36

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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.