Home / 258,547,009.28-387,791,865.79-92,543,884.19

Finding the Fourth Proportional to 258,547,009.28, 387,791,865.79 and 92,543,884.19

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Solution

The fourth proportional to 258,547,009.28, 387,791,865.79 and 92,543,884.19 is: 138,805,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,547,009.28 : 387,791,865.79 = 92,543,884.19 : x
  2. Step 2: Convert to fraction form
    258,547,009.28/387,791,865.79 = 92,543,884.19/x
  3. Step 3: Cross multiply
    258,547,009.28x = 387,791,865.79 × 92,543,884.19
  4. Step 4: Simplify right side
    258,547,009.28x = 35,887,765,515,323,468
  5. Step 5: Solve for x
    x = 35,887,765,515,323,468/258,547,009.28
  6. Step 6: Final answer
    x = 138,805,572.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.