Home / 239,523,079.80-359,284,619.70-215,289,370.20

Finding the Fourth Proportional to 239,523,079.80, 359,284,619.70 and 215,289,370.20

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Solution

The fourth proportional to 239,523,079.80, 359,284,619.70 and 215,289,370.20 is: 322,934,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,523,079.80 : 359,284,619.70 = 215,289,370.20 : x
  2. Step 2: Convert to fraction form
    239,523,079.80/359,284,619.70 = 215,289,370.20/x
  3. Step 3: Cross multiply
    239,523,079.80x = 359,284,619.70 × 215,289,370.20
  4. Step 4: Simplify right side
    239,523,079.80x = 77,350,159,497,759,504
  5. Step 5: Solve for x
    x = 77,350,159,497,759,504/239,523,079.80
  6. Step 6: Final answer
    x = 322,934,055.30

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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.