Home / 129,384,490,429.48-194,959,880,103.43-106,319,411,602.12

Finding the Fourth Proportional to 129,384,490,429.48, 194,959,880,103.43 and 106,319,411,602.12

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Solution

The fourth proportional to 129,384,490,429.48, 194,959,880,103.43 and 106,319,411,602.12 is: 160,204,825,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,384,490,429.48 : 194,959,880,103.43 = 106,319,411,602.12 : x
  2. Step 2: Convert to fraction form
    129,384,490,429.48/194,959,880,103.43 = 106,319,411,602.12/x
  3. Step 3: Cross multiply
    129,384,490,429.48x = 194,959,880,103.43 × 106,319,411,602.12
  4. Step 4: Simplify right side
    129,384,490,429.48x = 20,728,019,738,616,538,333,184
  5. Step 5: Solve for x
    x = 20,728,019,738,616,538,333,184/129,384,490,429.48
  6. Step 6: Final answer
    x = 160,204,825,708.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.