Home / 108,873,742.80-163,357,853.40-55,021,054.80

Finding the Fourth Proportional to 108,873,742.80, 163,357,853.40 and 55,021,054.80

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Solution

The fourth proportional to 108,873,742.80, 163,357,853.40 and 55,021,054.80 is: 82,555,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,742.80 : 163,357,853.40 = 55,021,054.80 : x
  2. Step 2: Convert to fraction form
    108,873,742.80/163,357,853.40 = 55,021,054.80/x
  3. Step 3: Cross multiply
    108,873,742.80x = 163,357,853.40 × 55,021,054.80
  4. Step 4: Simplify right side
    108,873,742.80x = 8,988,121,403,931,766
  5. Step 5: Solve for x
    x = 8,988,121,403,931,766/108,873,742.80
  6. Step 6: Final answer
    x = 82,555,455.27

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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.