Home / 74,592,010.40-111,888,015.60-20,739,322.40

Finding the Fourth Proportional to 74,592,010.40, 111,888,015.60 and 20,739,322.40

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Solution

The fourth proportional to 74,592,010.40, 111,888,015.60 and 20,739,322.40 is: 31,108,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592,010.40 : 111,888,015.60 = 20,739,322.40 : x
  2. Step 2: Convert to fraction form
    74,592,010.40/111,888,015.60 = 20,739,322.40/x
  3. Step 3: Cross multiply
    74,592,010.40x = 111,888,015.60 × 20,739,322.40
  4. Step 4: Simplify right side
    74,592,010.40x = 2,320,481,628,224,629
  5. Step 5: Solve for x
    x = 2,320,481,628,224,629/74,592,010.40
  6. Step 6: Final answer
    x = 31,108,983.60

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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.