Home / 111,901,711.70-167,852,567.55-66,440,105.30

Finding the Fourth Proportional to 111,901,711.70, 167,852,567.55 and 66,440,105.30

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Solution

The fourth proportional to 111,901,711.70, 167,852,567.55 and 66,440,105.30 is: 99,660,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,901,711.70 : 167,852,567.55 = 66,440,105.30 : x
  2. Step 2: Convert to fraction form
    111,901,711.70/167,852,567.55 = 66,440,105.30/x
  3. Step 3: Cross multiply
    111,901,711.70x = 167,852,567.55 × 66,440,105.30
  4. Step 4: Simplify right side
    111,901,711.70x = 11,152,142,262,897,364
  5. Step 5: Solve for x
    x = 11,152,142,262,897,364/111,901,711.70
  6. Step 6: Final answer
    x = 99,660,157.95

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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.