Home / 117,338,220.80-176,070,316.80-49,187,801.60

Finding the Fourth Proportional to 117,338,220.80, 176,070,316.80 and 49,187,801.60

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Solution

The fourth proportional to 117,338,220.80, 176,070,316.80 and 49,187,801.60 is: 73,808,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,338,220.80 : 176,070,316.80 = 49,187,801.60 : x
  2. Step 2: Convert to fraction form
    117,338,220.80/176,070,316.80 = 49,187,801.60/x
  3. Step 3: Cross multiply
    117,338,220.80x = 176,070,316.80 × 49,187,801.60
  4. Step 4: Simplify right side
    117,338,220.80x = 8,660,511,810,407,548
  5. Step 5: Solve for x
    x = 8,660,511,810,407,548/117,338,220.80
  6. Step 6: Final answer
    x = 73,808,105.76

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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.