Home / 249,049,091.60-372,565,867.80-218,816,003.60

Finding the Fourth Proportional to 249,049,091.60, 372,565,867.80 and 218,816,003.60

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Solution

The fourth proportional to 249,049,091.60, 372,565,867.80 and 218,816,003.60 is: 327,338,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,049,091.60 : 372,565,867.80 = 218,816,003.60 : x
  2. Step 2: Convert to fraction form
    249,049,091.60/372,565,867.80 = 218,816,003.60/x
  3. Step 3: Cross multiply
    249,049,091.60x = 372,565,867.80 × 218,816,003.60
  4. Step 4: Simplify right side
    249,049,091.60x = 81,523,374,269,761,920
  5. Step 5: Solve for x
    x = 81,523,374,269,761,920/249,049,091.60
  6. Step 6: Final answer
    x = 327,338,573.07

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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.