Home / 256,863,939.32-354,472,478.70-146,857,955.96

Finding the Fourth Proportional to 256,863,939.32, 354,472,478.70 and 146,857,955.96

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Solution

The fourth proportional to 256,863,939.32, 354,472,478.70 and 146,857,955.96 is: 202,664,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,863,939.32 : 354,472,478.70 = 146,857,955.96 : x
  2. Step 2: Convert to fraction form
    256,863,939.32/354,472,478.70 = 146,857,955.96/x
  3. Step 3: Cross multiply
    256,863,939.32x = 354,472,478.70 × 146,857,955.96
  4. Step 4: Simplify right side
    256,863,939.32x = 52,057,103,665,956,640
  5. Step 5: Solve for x
    x = 52,057,103,665,956,640/256,863,939.32
  6. Step 6: Final answer
    x = 202,664,117.84

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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.