Home / 218,951,724.33-302,154,180.03-118,480,162.05

Finding the Fourth Proportional to 218,951,724.33, 302,154,180.03 and 118,480,162.05

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Solution

The fourth proportional to 218,951,724.33, 302,154,180.03 and 118,480,162.05 is: 163,503,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,724.33 : 302,154,180.03 = 118,480,162.05 : x
  2. Step 2: Convert to fraction form
    218,951,724.33/302,154,180.03 = 118,480,162.05/x
  3. Step 3: Cross multiply
    218,951,724.33x = 302,154,180.03 × 118,480,162.05
  4. Step 4: Simplify right side
    218,951,724.33x = 35,799,276,214,039,268
  5. Step 5: Solve for x
    x = 35,799,276,214,039,268/218,951,724.33
  6. Step 6: Final answer
    x = 163,503,056.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.