Home / 133,213,721.45-183,825,603.21-77,455,186.04

Finding the Fourth Proportional to 133,213,721.45, 183,825,603.21 and 77,455,186.04

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Solution

The fourth proportional to 133,213,721.45, 183,825,603.21 and 77,455,186.04 is: 106,882,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213,721.45 : 183,825,603.21 = 77,455,186.04 : x
  2. Step 2: Convert to fraction form
    133,213,721.45/183,825,603.21 = 77,455,186.04/x
  3. Step 3: Cross multiply
    133,213,721.45x = 183,825,603.21 × 77,455,186.04
  4. Step 4: Simplify right side
    133,213,721.45x = 14,238,246,296,012,488
  5. Step 5: Solve for x
    x = 14,238,246,296,012,488/133,213,721.45
  6. Step 6: Final answer
    x = 106,882,730.55

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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.