Home / 232,598,435.40-320,987,963.76-128,180,253.24

Finding the Fourth Proportional to 232,598,435.40, 320,987,963.76 and 128,180,253.24

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Solution

The fourth proportional to 232,598,435.40, 320,987,963.76 and 128,180,253.24 is: 176,889,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,598,435.40 : 320,987,963.76 = 128,180,253.24 : x
  2. Step 2: Convert to fraction form
    232,598,435.40/320,987,963.76 = 128,180,253.24/x
  3. Step 3: Cross multiply
    232,598,435.40x = 320,987,963.76 × 128,180,253.24
  4. Step 4: Simplify right side
    232,598,435.40x = 41,144,318,481,748,736
  5. Step 5: Solve for x
    x = 41,144,318,481,748,736/232,598,435.40
  6. Step 6: Final answer
    x = 176,889,919.36

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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.