Home / 256,619,421.70-354,141,765.32-145,126,935.02

Finding the Fourth Proportional to 256,619,421.70, 354,141,765.32 and 145,126,935.02

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Solution

The fourth proportional to 256,619,421.70, 354,141,765.32 and 145,126,935.02 is: 200,279,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,619,421.70 : 354,141,765.32 = 145,126,935.02 : x
  2. Step 2: Convert to fraction form
    256,619,421.70/354,141,765.32 = 145,126,935.02/x
  3. Step 3: Cross multiply
    256,619,421.70x = 354,141,765.32 × 145,126,935.02
  4. Step 4: Simplify right side
    256,619,421.70x = 51,395,508,963,463,736
  5. Step 5: Solve for x
    x = 51,395,508,963,463,736/256,619,421.70
  6. Step 6: Final answer
    x = 200,279,108.35

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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.