Home / 232,543,259.73-320,909,552.28-128,121,330.06

Finding the Fourth Proportional to 232,543,259.73, 320,909,552.28 and 128,121,330.06

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Solution

The fourth proportional to 232,543,259.73, 320,909,552.28 and 128,121,330.06 is: 176,807,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,543,259.73 : 320,909,552.28 = 128,121,330.06 : x
  2. Step 2: Convert to fraction form
    232,543,259.73/320,909,552.28 = 128,121,330.06/x
  3. Step 3: Cross multiply
    232,543,259.73x = 320,909,552.28 × 128,121,330.06
  4. Step 4: Simplify right side
    232,543,259.73x = 41,115,358,667,072,704
  5. Step 5: Solve for x
    x = 41,115,358,667,072,704/232,543,259.73
  6. Step 6: Final answer
    x = 176,807,354.96

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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.