Home / 165,641,567.60-248,460,018.60-74,765,010.80

Finding the Fourth Proportional to 165,641,567.60, 248,460,018.60 and 74,765,010.80

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Solution

The fourth proportional to 165,641,567.60, 248,460,018.60 and 74,765,010.80 is: 112,146,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,641,567.60 : 248,460,018.60 = 74,765,010.80 : x
  2. Step 2: Convert to fraction form
    165,641,567.60/248,460,018.60 = 74,765,010.80/x
  3. Step 3: Cross multiply
    165,641,567.60x = 248,460,018.60 × 74,765,010.80
  4. Step 4: Simplify right side
    165,641,567.60x = 18,576,115,973,997,200
  5. Step 5: Solve for x
    x = 18,576,115,973,997,200/165,641,567.60
  6. Step 6: Final answer
    x = 112,146,463.25

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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.