Home / 256,457,825.04-353,912,098.30-138,983,149.20

Finding the Fourth Proportional to 256,457,825.04, 353,912,098.30 and 138,983,149.20

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Solution

The fourth proportional to 256,457,825.04, 353,912,098.30 and 138,983,149.20 is: 191,796,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,457,825.04 : 353,912,098.30 = 138,983,149.20 : x
  2. Step 2: Convert to fraction form
    256,457,825.04/353,912,098.30 = 138,983,149.20/x
  3. Step 3: Cross multiply
    256,457,825.04x = 353,912,098.30 × 138,983,149.20
  4. Step 4: Simplify right side
    256,457,825.04x = 49,187,817,961,713,960
  5. Step 5: Solve for x
    x = 49,187,817,961,713,960/256,457,825.04
  6. Step 6: Final answer
    x = 191,796,908.34

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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.