Home / 232,598,445.44-320,987,977.48-128,180,263.28

Finding the Fourth Proportional to 232,598,445.44, 320,987,977.48 and 128,180,263.28

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Solution

The fourth proportional to 232,598,445.44, 320,987,977.48 and 128,180,263.28 is: 176,889,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,598,445.44 : 320,987,977.48 = 128,180,263.28 : x
  2. Step 2: Convert to fraction form
    232,598,445.44/320,987,977.48 = 128,180,263.28/x
  3. Step 3: Cross multiply
    232,598,445.44x = 320,987,977.48 × 128,180,263.28
  4. Step 4: Simplify right side
    232,598,445.44x = 41,144,323,463,101,112
  5. Step 5: Solve for x
    x = 41,144,323,463,101,112/232,598,445.44
  6. Step 6: Final answer
    x = 176,889,933.14

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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.