Home / 254,920,585.73-351,770,285.88-143,389,222.07

Finding the Fourth Proportional to 254,920,585.73, 351,770,285.88 and 143,389,222.07

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Solution

The fourth proportional to 254,920,585.73, 351,770,285.88 and 143,389,222.07 is: 197,865,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,920,585.73 : 351,770,285.88 = 143,389,222.07 : x
  2. Step 2: Convert to fraction form
    254,920,585.73/351,770,285.88 = 143,389,222.07/x
  3. Step 3: Cross multiply
    254,920,585.73x = 351,770,285.88 × 143,389,222.07
  4. Step 4: Simplify right side
    254,920,585.73x = 50,440,067,637,915,856
  5. Step 5: Solve for x
    x = 50,440,067,637,915,856/254,920,585.73
  6. Step 6: Final answer
    x = 197,865,807.87

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1.5x scale

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.