Home / 101,687,404.32-140,329,521.36-55,277,732.88

Finding the Fourth Proportional to 101,687,404.32, 140,329,521.36 and 55,277,732.88

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Solution

The fourth proportional to 101,687,404.32, 140,329,521.36 and 55,277,732.88 is: 76,283,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,687,404.32 : 140,329,521.36 = 55,277,732.88 : x
  2. Step 2: Convert to fraction form
    101,687,404.32/140,329,521.36 = 55,277,732.88/x
  3. Step 3: Cross multiply
    101,687,404.32x = 140,329,521.36 × 55,277,732.88
  4. Step 4: Simplify right side
    101,687,404.32x = 7,757,097,796,916,335
  5. Step 5: Solve for x
    x = 7,757,097,796,916,335/101,687,404.32
  6. Step 6: Final answer
    x = 76,283,762.47

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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.