Home / 125,412,659.81-188,180,619.37-56,374,242.06

Finding the Fourth Proportional to 125,412,659.81, 188,180,619.37 and 56,374,242.06

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Solution

The fourth proportional to 125,412,659.81, 188,180,619.37 and 56,374,242.06 is: 84,589,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,659.81 : 188,180,619.37 = 56,374,242.06 : x
  2. Step 2: Convert to fraction form
    125,412,659.81/188,180,619.37 = 56,374,242.06/x
  3. Step 3: Cross multiply
    125,412,659.81x = 188,180,619.37 × 56,374,242.06
  4. Step 4: Simplify right side
    125,412,659.81x = 10,608,539,787,365,106
  5. Step 5: Solve for x
    x = 10,608,539,787,365,106/125,412,659.81
  6. Step 6: Final answer
    x = 84,589,066.23

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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.