Home / 71,181,794.64-106,781,090.04-53,344,272.72

Finding the Fourth Proportional to 71,181,794.64, 106,781,090.04 and 53,344,272.72

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Solution

The fourth proportional to 71,181,794.64, 106,781,090.04 and 53,344,272.72 is: 80,022,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181,794.64 : 106,781,090.04 = 53,344,272.72 : x
  2. Step 2: Convert to fraction form
    71,181,794.64/106,781,090.04 = 53,344,272.72/x
  3. Step 3: Cross multiply
    71,181,794.64x = 106,781,090.04 × 53,344,272.72
  4. Step 4: Simplify right side
    71,181,794.64x = 5,696,159,588,432,636
  5. Step 5: Solve for x
    x = 5,696,159,588,432,636/71,181,794.64
  6. Step 6: Final answer
    x = 80,022,702.68

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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.