Home / 232,543,246.28-320,909,533.65-128,121,316.56

Finding the Fourth Proportional to 232,543,246.28, 320,909,533.65 and 128,121,316.56

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Solution

The fourth proportional to 232,543,246.28, 320,909,533.65 and 128,121,316.56 is: 176,807,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,543,246.28 : 320,909,533.65 = 128,121,316.56 : x
  2. Step 2: Convert to fraction form
    232,543,246.28/320,909,533.65 = 128,121,316.56/x
  3. Step 3: Cross multiply
    232,543,246.28x = 320,909,533.65 × 128,121,316.56
  4. Step 4: Simplify right side
    232,543,246.28x = 41,115,351,947,893,616
  5. Step 5: Solve for x
    x = 41,115,351,947,893,616/232,543,246.28
  6. Step 6: Final answer
    x = 176,807,336.30

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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.