Home / 168,435,489.85-252,677,335.84-51,860,709.36

Finding the Fourth Proportional to 168,435,489.85, 252,677,335.84 and 51,860,709.36

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Solution

The fourth proportional to 168,435,489.85, 252,677,335.84 and 51,860,709.36 is: 77,798,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,489.85 : 252,677,335.84 = 51,860,709.36 : x
  2. Step 2: Convert to fraction form
    168,435,489.85/252,677,335.84 = 51,860,709.36/x
  3. Step 3: Cross multiply
    168,435,489.85x = 252,677,335.84 × 51,860,709.36
  4. Step 4: Simplify right side
    168,435,489.85x = 13,104,025,875,727,700
  5. Step 5: Solve for x
    x = 13,104,025,875,727,700/168,435,489.85
  6. Step 6: Final answer
    x = 77,798,484.68

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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.