Home / 111,328,106.60-166,992,159.90-65,866,500.20

Finding the Fourth Proportional to 111,328,106.60, 166,992,159.90 and 65,866,500.20

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Solution

The fourth proportional to 111,328,106.60, 166,992,159.90 and 65,866,500.20 is: 98,799,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,106.60 : 166,992,159.90 = 65,866,500.20 : x
  2. Step 2: Convert to fraction form
    111,328,106.60/166,992,159.90 = 65,866,500.20/x
  3. Step 3: Cross multiply
    111,328,106.60x = 166,992,159.90 × 65,866,500.20
  4. Step 4: Simplify right side
    111,328,106.60x = 10,999,189,133,451,782
  5. Step 5: Solve for x
    x = 10,999,189,133,451,782/111,328,106.60
  6. Step 6: Final answer
    x = 98,799,750.30

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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.