Home / 115,555,209.60-173,400,004.80-47,446,780.80

Finding the Fourth Proportional to 115,555,209.60, 173,400,004.80 and 47,446,780.80

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Solution

The fourth proportional to 115,555,209.60, 173,400,004.80 and 47,446,780.80 is: 71,197,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555,209.60 : 173,400,004.80 = 47,446,780.80 : x
  2. Step 2: Convert to fraction form
    115,555,209.60/173,400,004.80 = 47,446,780.80/x
  3. Step 3: Cross multiply
    115,555,209.60x = 173,400,004.80 × 47,446,780.80
  4. Step 4: Simplify right side
    115,555,209.60x = 8,227,272,018,464,548
  5. Step 5: Solve for x
    x = 8,227,272,018,464,548/115,555,209.60
  6. Step 6: Final answer
    x = 71,197,759.47

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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.