Home / 220,664,439.72-304,516,924.47-127,898,755.56

Finding the Fourth Proportional to 220,664,439.72, 304,516,924.47 and 127,898,755.56

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Solution

The fourth proportional to 220,664,439.72, 304,516,924.47 and 127,898,755.56 is: 176,500,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,664,439.72 : 304,516,924.47 = 127,898,755.56 : x
  2. Step 2: Convert to fraction form
    220,664,439.72/304,516,924.47 = 127,898,755.56/x
  3. Step 3: Cross multiply
    220,664,439.72x = 304,516,924.47 × 127,898,755.56
  4. Step 4: Simplify right side
    220,664,439.72x = 38,947,335,686,671,520
  5. Step 5: Solve for x
    x = 38,947,335,686,671,520/220,664,439.72
  6. Step 6: Final answer
    x = 176,500,281.31

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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.