Home / 86,963,945.30-130,462,377.15-28,674,971.54

Finding the Fourth Proportional to 86,963,945.30, 130,462,377.15 and 28,674,971.54

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Solution

The fourth proportional to 86,963,945.30, 130,462,377.15 and 28,674,971.54 is: 43,017,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963,945.30 : 130,462,377.15 = 28,674,971.54 : x
  2. Step 2: Convert to fraction form
    86,963,945.30/130,462,377.15 = 28,674,971.54/x
  3. Step 3: Cross multiply
    86,963,945.30x = 130,462,377.15 × 28,674,971.54
  4. Step 4: Simplify right side
    86,963,945.30x = 3,741,004,951,816,996.50
  5. Step 5: Solve for x
    x = 3,741,004,951,816,996.50/86,963,945.30
  6. Step 6: Final answer
    x = 43,017,884.47

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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.