Home / 56,930,708.62-85,395,307.74-13,800,290.86

Finding the Fourth Proportional to 56,930,708.62, 85,395,307.74 and 13,800,290.86

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Solution

The fourth proportional to 56,930,708.62, 85,395,307.74 and 13,800,290.86 is: 20,700,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,930,708.62 : 85,395,307.74 = 13,800,290.86 : x
  2. Step 2: Convert to fraction form
    56,930,708.62/85,395,307.74 = 13,800,290.86/x
  3. Step 3: Cross multiply
    56,930,708.62x = 85,395,307.74 × 13,800,290.86
  4. Step 4: Simplify right side
    56,930,708.62x = 1,178,480,084,891,209.25
  5. Step 5: Solve for x
    x = 1,178,480,084,891,209.25/56,930,708.62
  6. Step 6: Final answer
    x = 20,700,253.23

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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.