Home / 111,186,207.20-166,779,310.80-30,407,175.20

Finding the Fourth Proportional to 111,186,207.20, 166,779,310.80 and 30,407,175.20

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Solution

The fourth proportional to 111,186,207.20, 166,779,310.80 and 30,407,175.20 is: 45,610,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,207.20 : 166,779,310.80 = 30,407,175.20 : x
  2. Step 2: Convert to fraction form
    111,186,207.20/166,779,310.80 = 30,407,175.20/x
  3. Step 3: Cross multiply
    111,186,207.20x = 166,779,310.80 × 30,407,175.20
  4. Step 4: Simplify right side
    111,186,207.20x = 5,071,287,723,230,852
  5. Step 5: Solve for x
    x = 5,071,287,723,230,852/111,186,207.20
  6. Step 6: Final answer
    x = 45,610,762.80

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1.5x scale

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.