Home / 56,748,764.80-85,135,104.48-18,407,289.60

Finding the Fourth Proportional to 56,748,764.80, 85,135,104.48 and 18,407,289.60

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Solution

The fourth proportional to 56,748,764.80, 85,135,104.48 and 18,407,289.60 is: 27,614,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748,764.80 : 85,135,104.48 = 18,407,289.60 : x
  2. Step 2: Convert to fraction form
    56,748,764.80/85,135,104.48 = 18,407,289.60/x
  3. Step 3: Cross multiply
    56,748,764.80x = 85,135,104.48 × 18,407,289.60
  4. Step 4: Simplify right side
    56,748,764.80x = 1,567,106,523,289,617.50
  5. Step 5: Solve for x
    x = 1,567,106,523,289,617.50/56,748,764.80
  6. Step 6: Final answer
    x = 27,614,812.92

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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.