Home / 74,300,496.30-111,450,744.45-20,447,808.30

Finding the Fourth Proportional to 74,300,496.30, 111,450,744.45 and 20,447,808.30

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Solution

The fourth proportional to 74,300,496.30, 111,450,744.45 and 20,447,808.30 is: 30,671,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300,496.30 : 111,450,744.45 = 20,447,808.30 : x
  2. Step 2: Convert to fraction form
    74,300,496.30/111,450,744.45 = 20,447,808.30/x
  3. Step 3: Cross multiply
    74,300,496.30x = 111,450,744.45 × 20,447,808.30
  4. Step 4: Simplify right side
    74,300,496.30x = 2,278,923,457,405,889
  5. Step 5: Solve for x
    x = 2,278,923,457,405,889/74,300,496.30
  6. Step 6: Final answer
    x = 30,671,712.45

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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.