Home / 256,572,973.92-384,859,453.48-118,357,687.56

Finding the Fourth Proportional to 256,572,973.92, 384,859,453.48 and 118,357,687.56

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Solution

The fourth proportional to 256,572,973.92, 384,859,453.48 and 118,357,687.56 is: 177,536,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,572,973.92 : 384,859,453.48 = 118,357,687.56 : x
  2. Step 2: Convert to fraction form
    256,572,973.92/384,859,453.48 = 118,357,687.56/x
  3. Step 3: Cross multiply
    256,572,973.92x = 384,859,453.48 × 118,357,687.56
  4. Step 4: Simplify right side
    256,572,973.92x = 45,551,074,949,498,200
  5. Step 5: Solve for x
    x = 45,551,074,949,498,200/256,572,973.92
  6. Step 6: Final answer
    x = 177,536,527.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.