Home / 77,972,726.22-116,790,931.72-73,388,653.94

Finding the Fourth Proportional to 77,972,726.22, 116,790,931.72 and 73,388,653.94

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Solution

The fourth proportional to 77,972,726.22, 116,790,931.72 and 73,388,653.94 is: 109,924,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,972,726.22 : 116,790,931.72 = 73,388,653.94 : x
  2. Step 2: Convert to fraction form
    77,972,726.22/116,790,931.72 = 73,388,653.94/x
  3. Step 3: Cross multiply
    77,972,726.22x = 116,790,931.72 × 73,388,653.94
  4. Step 4: Simplify right side
    77,972,726.22x = 8,571,129,271,329,249
  5. Step 5: Solve for x
    x = 8,571,129,271,329,249/77,972,726.22
  6. Step 6: Final answer
    x = 109,924,709.41

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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.