Home / 85,158,396.72-117,518,630.40-46,000,171.44

Finding the Fourth Proportional to 85,158,396.72, 117,518,630.40 and 46,000,171.44

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Solution

The fourth proportional to 85,158,396.72, 117,518,630.40 and 46,000,171.44 is: 63,480,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,158,396.72 : 117,518,630.40 = 46,000,171.44 : x
  2. Step 2: Convert to fraction form
    85,158,396.72/117,518,630.40 = 46,000,171.44/x
  3. Step 3: Cross multiply
    85,158,396.72x = 117,518,630.40 × 46,000,171.44
  4. Step 4: Simplify right side
    85,158,396.72x = 5,405,877,145,793,996
  5. Step 5: Solve for x
    x = 5,405,877,145,793,996/85,158,396.72
  6. Step 6: Final answer
    x = 63,480,259.77

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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.