Home / 123,467,352.48-170,387,289.36-67,709,240.72

Finding the Fourth Proportional to 123,467,352.48, 170,387,289.36 and 67,709,240.72

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Solution

The fourth proportional to 123,467,352.48, 170,387,289.36 and 67,709,240.72 is: 93,440,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,467,352.48 : 170,387,289.36 = 67,709,240.72 : x
  2. Step 2: Convert to fraction form
    123,467,352.48/170,387,289.36 = 67,709,240.72/x
  3. Step 3: Cross multiply
    123,467,352.48x = 170,387,289.36 × 67,709,240.72
  4. Step 4: Simplify right side
    123,467,352.48x = 11,536,793,990,904,536
  5. Step 5: Solve for x
    x = 11,536,793,990,904,536/123,467,352.48
  6. Step 6: Final answer
    x = 93,440,037.06

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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.