Home / 74,592,007.20-111,888,010.80-54,436,615.20

Finding the Fourth Proportional to 74,592,007.20, 111,888,010.80 and 54,436,615.20

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Solution

The fourth proportional to 74,592,007.20, 111,888,010.80 and 54,436,615.20 is: 81,654,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592,007.20 : 111,888,010.80 = 54,436,615.20 : x
  2. Step 2: Convert to fraction form
    74,592,007.20/111,888,010.80 = 54,436,615.20/x
  3. Step 3: Cross multiply
    74,592,007.20x = 111,888,010.80 × 54,436,615.20
  4. Step 4: Simplify right side
    74,592,007.20x = 6,090,804,589,413,044
  5. Step 5: Solve for x
    x = 6,090,804,589,413,044/74,592,007.20
  6. Step 6: Final answer
    x = 81,654,922.80

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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.