Home / 53,146,857.60-79,720,286.40-43,573,046.40

Finding the Fourth Proportional to 53,146,857.60, 79,720,286.40 and 43,573,046.40

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Solution

The fourth proportional to 53,146,857.60, 79,720,286.40 and 43,573,046.40 is: 65,359,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146,857.60 : 79,720,286.40 = 43,573,046.40 : x
  2. Step 2: Convert to fraction form
    53,146,857.60/79,720,286.40 = 43,573,046.40/x
  3. Step 3: Cross multiply
    53,146,857.60x = 79,720,286.40 × 43,573,046.40
  4. Step 4: Simplify right side
    53,146,857.60x = 3,473,655,738,328,489
  5. Step 5: Solve for x
    x = 3,473,655,738,328,489/53,146,857.60
  6. Step 6: Final answer
    x = 65,359,569.60

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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.