Home / 248,724,010.80-373,086,016.20-78,500,804.40

Finding the Fourth Proportional to 248,724,010.80, 373,086,016.20 and 78,500,804.40

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Solution

The fourth proportional to 248,724,010.80, 373,086,016.20 and 78,500,804.40 is: 117,751,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,724,010.80 : 373,086,016.20 = 78,500,804.40 : x
  2. Step 2: Convert to fraction form
    248,724,010.80/373,086,016.20 = 78,500,804.40/x
  3. Step 3: Cross multiply
    248,724,010.80x = 373,086,016.20 × 78,500,804.40
  4. Step 4: Simplify right side
    248,724,010.80x = 29,287,552,382,091,432
  5. Step 5: Solve for x
    x = 29,287,552,382,091,432/248,724,010.80
  6. Step 6: Final answer
    x = 117,751,206.60

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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.