Home / 129,965,069-194,946,100.56-31,597,332.80

Finding the Fourth Proportional to 129,965,069, 194,946,100.56 and 31,597,332.80

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Solution

The fourth proportional to 129,965,069, 194,946,100.56 and 31,597,332.80 is: 47,395,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,069 : 194,946,100.56 = 31,597,332.80 : x
  2. Step 2: Convert to fraction form
    129,965,069/194,946,100.56 = 31,597,332.80/x
  3. Step 3: Cross multiply
    129,965,069x = 194,946,100.56 × 31,597,332.80
  4. Step 4: Simplify right side
    129,965,069x = 6,159,776,817,456,587
  5. Step 5: Solve for x
    x = 6,159,776,817,456,587/129,965,069
  6. Step 6: Final answer
    x = 47,395,633.80

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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.