Home / 253,669,110.80-350,041,992.36-140,641,618.64

Finding the Fourth Proportional to 253,669,110.80, 350,041,992.36 and 140,641,618.64

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Solution

The fourth proportional to 253,669,110.80, 350,041,992.36 and 140,641,618.64 is: 194,073,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,669,110.80 : 350,041,992.36 = 140,641,618.64 : x
  2. Step 2: Convert to fraction form
    253,669,110.80/350,041,992.36 = 140,641,618.64/x
  3. Step 3: Cross multiply
    253,669,110.80x = 350,041,992.36 × 140,641,618.64
  4. Step 4: Simplify right side
    253,669,110.80x = 49,230,472,397,480,912
  5. Step 5: Solve for x
    x = 49,230,472,397,480,912/253,669,110.80
  6. Step 6: Final answer
    x = 194,073,579.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.