Home / 111,188,192.76-166,803,240.82-42,121,683

Finding the Fourth Proportional to 111,188,192.76, 166,803,240.82 and 42,121,683

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Solution

The fourth proportional to 111,188,192.76, 166,803,240.82 and 42,121,683 is: 63,190,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,188,192.76 : 166,803,240.82 = 42,121,683 : x
  2. Step 2: Convert to fraction form
    111,188,192.76/166,803,240.82 = 42,121,683/x
  3. Step 3: Cross multiply
    111,188,192.76x = 166,803,240.82 × 42,121,683
  4. Step 4: Simplify right side
    111,188,192.76x = 7,026,033,233,192,700
  5. Step 5: Solve for x
    x = 7,026,033,233,192,700/111,188,192.76
  6. Step 6: Final answer
    x = 63,190,461.67

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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.