Home / 168,435,510.38-252,677,366.61-51,860,729.86

Finding the Fourth Proportional to 168,435,510.38, 252,677,366.61 and 51,860,729.86

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Solution

The fourth proportional to 168,435,510.38, 252,677,366.61 and 51,860,729.86 is: 77,798,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,510.38 : 252,677,366.61 = 51,860,729.86 : x
  2. Step 2: Convert to fraction form
    168,435,510.38/252,677,366.61 = 51,860,729.86/x
  3. Step 3: Cross multiply
    168,435,510.38x = 252,677,366.61 × 51,860,729.86
  4. Step 4: Simplify right side
    168,435,510.38x = 13,104,032,651,497,394
  5. Step 5: Solve for x
    x = 13,104,032,651,497,394/168,435,510.38
  6. Step 6: Final answer
    x = 77,798,515.42

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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.