Home / 111,210,416.64-166,466,638.08-76,464,060.48

Finding the Fourth Proportional to 111,210,416.64, 166,466,638.08 and 76,464,060.48

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Solution

The fourth proportional to 111,210,416.64, 166,466,638.08 and 76,464,060.48 is: 114,456,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,210,416.64 : 166,466,638.08 = 76,464,060.48 : x
  2. Step 2: Convert to fraction form
    111,210,416.64/166,466,638.08 = 76,464,060.48/x
  3. Step 3: Cross multiply
    111,210,416.64x = 166,466,638.08 × 76,464,060.48
  4. Step 4: Simplify right side
    111,210,416.64x = 12,728,715,082,051,392
  5. Step 5: Solve for x
    x = 12,728,715,082,051,392/111,210,416.64
  6. Step 6: Final answer
    x = 114,456,140.59

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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.