Home / 196,554,043.72-271,252,784.10-108,453,756.52

Finding the Fourth Proportional to 196,554,043.72, 271,252,784.10 and 108,453,756.52

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Solution

The fourth proportional to 196,554,043.72, 271,252,784.10 and 108,453,756.52 is: 149,670,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,554,043.72 : 271,252,784.10 = 108,453,756.52 : x
  2. Step 2: Convert to fraction form
    196,554,043.72/271,252,784.10 = 108,453,756.52/x
  3. Step 3: Cross multiply
    196,554,043.72x = 271,252,784.10 × 108,453,756.52
  4. Step 4: Simplify right side
    196,554,043.72x = 29,418,383,402,153,528
  5. Step 5: Solve for x
    x = 29,418,383,402,153,528/196,554,043.72
  6. Step 6: Final answer
    x = 149,670,710.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.