Home / 57,189,706.40-78,921,424.80-32,748,144.32

Finding the Fourth Proportional to 57,189,706.40, 78,921,424.80 and 32,748,144.32

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Solution

The fourth proportional to 57,189,706.40, 78,921,424.80 and 32,748,144.32 is: 45,192,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,189,706.40 : 78,921,424.80 = 32,748,144.32 : x
  2. Step 2: Convert to fraction form
    57,189,706.40/78,921,424.80 = 32,748,144.32/x
  3. Step 3: Cross multiply
    57,189,706.40x = 78,921,424.80 × 32,748,144.32
  4. Step 4: Simplify right side
    57,189,706.40x = 2,584,530,209,290,427
  5. Step 5: Solve for x
    x = 2,584,530,209,290,427/57,189,706.40
  6. Step 6: Final answer
    x = 45,192,227.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.