Home / 256,027,473-353,314,923.84-138,550,085.28

Finding the Fourth Proportional to 256,027,473, 353,314,923.84 and 138,550,085.28

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Solution

The fourth proportional to 256,027,473, 353,314,923.84 and 138,550,085.28 is: 191,197,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,027,473 : 353,314,923.84 = 138,550,085.28 : x
  2. Step 2: Convert to fraction form
    256,027,473/353,314,923.84 = 138,550,085.28/x
  3. Step 3: Cross multiply
    256,027,473x = 353,314,923.84 × 138,550,085.28
  4. Step 4: Simplify right side
    256,027,473x = 48,951,812,828,728,704
  5. Step 5: Solve for x
    x = 48,951,812,828,728,704/256,027,473
  6. Step 6: Final answer
    x = 191,197,500.23

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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.