Home / 111,188,191.76-166,803,239.32-42,121,682

Finding the Fourth Proportional to 111,188,191.76, 166,803,239.32 and 42,121,682

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Solution

The fourth proportional to 111,188,191.76, 166,803,239.32 and 42,121,682 is: 63,190,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,188,191.76 : 166,803,239.32 = 42,121,682 : x
  2. Step 2: Convert to fraction form
    111,188,191.76/166,803,239.32 = 42,121,682/x
  3. Step 3: Cross multiply
    111,188,191.76x = 166,803,239.32 × 42,121,682
  4. Step 4: Simplify right side
    111,188,191.76x = 7,026,033,003,206,936
  5. Step 5: Solve for x
    x = 7,026,033,003,206,936/111,188,191.76
  6. Step 6: Final answer
    x = 63,190,460.17

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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.