Home / 165,814,544.80-248,721,817.20-127,550,792.80

Finding the Fourth Proportional to 165,814,544.80, 248,721,817.20 and 127,550,792.80

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Solution

The fourth proportional to 165,814,544.80, 248,721,817.20 and 127,550,792.80 is: 191,326,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,814,544.80 : 248,721,817.20 = 127,550,792.80 : x
  2. Step 2: Convert to fraction form
    165,814,544.80/248,721,817.20 = 127,550,792.80/x
  3. Step 3: Cross multiply
    165,814,544.80x = 248,721,817.20 × 127,550,792.80
  4. Step 4: Simplify right side
    165,814,544.80x = 31,724,664,970,516,672
  5. Step 5: Solve for x
    x = 31,724,664,970,516,672/165,814,544.80
  6. Step 6: Final answer
    x = 191,326,189.20

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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.