Home / 67,696,254.85-101,558,949.74-21,008,818.54

Finding the Fourth Proportional to 67,696,254.85, 101,558,949.74 and 21,008,818.54

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Solution

The fourth proportional to 67,696,254.85, 101,558,949.74 and 21,008,818.54 is: 31,517,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,696,254.85 : 101,558,949.74 = 21,008,818.54 : x
  2. Step 2: Convert to fraction form
    67,696,254.85/101,558,949.74 = 21,008,818.54/x
  3. Step 3: Cross multiply
    67,696,254.85x = 101,558,949.74 × 21,008,818.54
  4. Step 4: Simplify right side
    67,696,254.85x = 2,133,633,546,095,596
  5. Step 5: Solve for x
    x = 2,133,633,546,095,596/67,696,254.85
  6. Step 6: Final answer
    x = 31,517,748.67

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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.