Home / 56,861,636.39-85,292,704.47-18,000,279.30

Finding the Fourth Proportional to 56,861,636.39, 85,292,704.47 and 18,000,279.30

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Solution

The fourth proportional to 56,861,636.39, 85,292,704.47 and 18,000,279.30 is: 27,000,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,636.39 : 85,292,704.47 = 18,000,279.30 : x
  2. Step 2: Convert to fraction form
    56,861,636.39/85,292,704.47 = 18,000,279.30/x
  3. Step 3: Cross multiply
    56,861,636.39x = 85,292,704.47 × 18,000,279.30
  4. Step 4: Simplify right side
    56,861,636.39x = 1,535,292,502,278,841
  5. Step 5: Solve for x
    x = 1,535,292,502,278,841/56,861,636.39
  6. Step 6: Final answer
    x = 27,000,498.04

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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.