Home / 111,186,220.20-166,779,330.30-30,407,188.20

Finding the Fourth Proportional to 111,186,220.20, 166,779,330.30 and 30,407,188.20

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Solution

The fourth proportional to 111,186,220.20, 166,779,330.30 and 30,407,188.20 is: 45,610,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,220.20 : 166,779,330.30 = 30,407,188.20 : x
  2. Step 2: Convert to fraction form
    111,186,220.20/166,779,330.30 = 30,407,188.20/x
  3. Step 3: Cross multiply
    111,186,220.20x = 166,779,330.30 × 30,407,188.20
  4. Step 4: Simplify right side
    111,186,220.20x = 5,071,290,484,302,063
  5. Step 5: Solve for x
    x = 5,071,290,484,302,063/111,186,220.20
  6. Step 6: Final answer
    x = 45,610,782.30

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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.