Home / 129,965,068.72-194,946,100.15-31,597,332.52

Finding the Fourth Proportional to 129,965,068.72, 194,946,100.15 and 31,597,332.52

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Solution

The fourth proportional to 129,965,068.72, 194,946,100.15 and 31,597,332.52 is: 47,395,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,068.72 : 194,946,100.15 = 31,597,332.52 : x
  2. Step 2: Convert to fraction form
    129,965,068.72/194,946,100.15 = 31,597,332.52/x
  3. Step 3: Cross multiply
    129,965,068.72x = 194,946,100.15 × 31,597,332.52
  4. Step 4: Simplify right side
    129,965,068.72x = 6,159,776,749,916,772
  5. Step 5: Solve for x
    x = 6,159,776,749,916,772/129,965,068.72
  6. Step 6: Final answer
    x = 47,395,633.39

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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.