Home / 206,860,681.22-310,336,423.97-61,305,650.73

Finding the Fourth Proportional to 206,860,681.22, 310,336,423.97 and 61,305,650.73

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Solution

The fourth proportional to 206,860,681.22, 310,336,423.97 and 61,305,650.73 is: 91,971,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,860,681.22 : 310,336,423.97 = 61,305,650.73 : x
  2. Step 2: Convert to fraction form
    206,860,681.22/310,336,423.97 = 61,305,650.73/x
  3. Step 3: Cross multiply
    206,860,681.22x = 310,336,423.97 × 61,305,650.73
  4. Step 4: Simplify right side
    206,860,681.22x = 19,025,376,416,395,488
  5. Step 5: Solve for x
    x = 19,025,376,416,395,488/206,860,681.22
  6. Step 6: Final answer
    x = 91,971,931.57

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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.