Home / 110,619,009.20-165,928,513.80-76,181,632.40

Finding the Fourth Proportional to 110,619,009.20, 165,928,513.80 and 76,181,632.40

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Solution

The fourth proportional to 110,619,009.20, 165,928,513.80 and 76,181,632.40 is: 114,272,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,619,009.20 : 165,928,513.80 = 76,181,632.40 : x
  2. Step 2: Convert to fraction form
    110,619,009.20/165,928,513.80 = 76,181,632.40/x
  3. Step 3: Cross multiply
    110,619,009.20x = 165,928,513.80 × 76,181,632.40
  4. Step 4: Simplify right side
    110,619,009.20x = 12,640,705,042,989,930
  5. Step 5: Solve for x
    x = 12,640,705,042,989,930/110,619,009.20
  6. Step 6: Final answer
    x = 114,272,448.60

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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.