Home / 309,025,761.20-463,538,641.80-93,615,009.20

Finding the Fourth Proportional to 309,025,761.20, 463,538,641.80 and 93,615,009.20

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Solution

The fourth proportional to 309,025,761.20, 463,538,641.80 and 93,615,009.20 is: 140,422,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,025,761.20 : 463,538,641.80 = 93,615,009.20 : x
  2. Step 2: Convert to fraction form
    309,025,761.20/463,538,641.80 = 93,615,009.20/x
  3. Step 3: Cross multiply
    309,025,761.20x = 463,538,641.80 × 93,615,009.20
  4. Step 4: Simplify right side
    309,025,761.20x = 43,394,174,216,662,504
  5. Step 5: Solve for x
    x = 43,394,174,216,662,504/309,025,761.20
  6. Step 6: Final answer
    x = 140,422,513.80

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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.