Home / 168,435,509.88-252,677,365.86-51,860,729.36

Finding the Fourth Proportional to 168,435,509.88, 252,677,365.86 and 51,860,729.36

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Solution

The fourth proportional to 168,435,509.88, 252,677,365.86 and 51,860,729.36 is: 77,798,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,509.88 : 252,677,365.86 = 51,860,729.36 : x
  2. Step 2: Convert to fraction form
    168,435,509.88/252,677,365.86 = 51,860,729.36/x
  3. Step 3: Cross multiply
    168,435,509.88x = 252,677,365.86 × 51,860,729.36
  4. Step 4: Simplify right side
    168,435,509.88x = 13,104,032,486,263,164
  5. Step 5: Solve for x
    x = 13,104,032,486,263,164/168,435,509.88
  6. Step 6: Final answer
    x = 77,798,514.67

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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.