Home / 179,783,999.80-269,675,999.70-103,342,809.40

Finding the Fourth Proportional to 179,783,999.80, 269,675,999.70 and 103,342,809.40

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Solution

The fourth proportional to 179,783,999.80, 269,675,999.70 and 103,342,809.40 is: 155,014,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,783,999.80 : 269,675,999.70 = 103,342,809.40 : x
  2. Step 2: Convert to fraction form
    179,783,999.80/269,675,999.70 = 103,342,809.40/x
  3. Step 3: Cross multiply
    179,783,999.80x = 269,675,999.70 × 103,342,809.40
  4. Step 4: Simplify right side
    179,783,999.80x = 27,869,075,436,751,556
  5. Step 5: Solve for x
    x = 27,869,075,436,751,556/179,783,999.80
  6. Step 6: Final answer
    x = 155,014,214.10

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1.5x scale

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.