Home / 56,778,308.21-85,168,138.16-15,835,256.27

Finding the Fourth Proportional to 56,778,308.21, 85,168,138.16 and 15,835,256.27

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Solution

The fourth proportional to 56,778,308.21, 85,168,138.16 and 15,835,256.27 is: 23,753,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,778,308.21 : 85,168,138.16 = 15,835,256.27 : x
  2. Step 2: Convert to fraction form
    56,778,308.21/85,168,138.16 = 15,835,256.27/x
  3. Step 3: Cross multiply
    56,778,308.21x = 85,168,138.16 × 15,835,256.27
  4. Step 4: Simplify right side
    56,778,308.21x = 1,348,659,293,297,349.25
  5. Step 5: Solve for x
    x = 1,348,659,293,297,349.25/56,778,308.21
  6. Step 6: Final answer
    x = 23,753,072.89

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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.