Home / 232,598,428.40-320,987,954.06-128,180,246.24

Finding the Fourth Proportional to 232,598,428.40, 320,987,954.06 and 128,180,246.24

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Solution

The fourth proportional to 232,598,428.40, 320,987,954.06 and 128,180,246.24 is: 176,889,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,598,428.40 : 320,987,954.06 = 128,180,246.24 : x
  2. Step 2: Convert to fraction form
    232,598,428.40/320,987,954.06 = 128,180,246.24/x
  3. Step 3: Cross multiply
    232,598,428.40x = 320,987,954.06 × 128,180,246.24
  4. Step 4: Simplify right side
    232,598,428.40x = 41,144,314,991,484,608
  5. Step 5: Solve for x
    x = 41,144,314,991,484,608/232,598,428.40
  6. Step 6: Final answer
    x = 176,889,909.68

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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.