Home / 254,920,643.93-351,770,366.27-143,389,280.31

Finding the Fourth Proportional to 254,920,643.93, 351,770,366.27 and 143,389,280.31

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Solution

The fourth proportional to 254,920,643.93, 351,770,366.27 and 143,389,280.31 is: 197,865,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,920,643.93 : 351,770,366.27 = 143,389,280.31 : x
  2. Step 2: Convert to fraction form
    254,920,643.93/351,770,366.27 = 143,389,280.31/x
  3. Step 3: Cross multiply
    254,920,643.93x = 351,770,366.27 × 143,389,280.31
  4. Step 4: Simplify right side
    254,920,643.93x = 50,440,099,653,123,448
  5. Step 5: Solve for x
    x = 50,440,099,653,123,448/254,920,643.93
  6. Step 6: Final answer
    x = 197,865,888.29

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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.