Home / 124,703,746.20-187,059,896.10-38,441,467.80

Finding the Fourth Proportional to 124,703,746.20, 187,059,896.10 and 38,441,467.80

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Solution

The fourth proportional to 124,703,746.20, 187,059,896.10 and 38,441,467.80 is: 57,663,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,703,746.20 : 187,059,896.10 = 38,441,467.80 : x
  2. Step 2: Convert to fraction form
    124,703,746.20/187,059,896.10 = 38,441,467.80/x
  3. Step 3: Cross multiply
    124,703,746.20x = 187,059,896.10 × 38,441,467.80
  4. Step 4: Simplify right side
    124,703,746.20x = 7,190,856,972,599,495
  5. Step 5: Solve for x
    x = 7,190,856,972,599,495/124,703,746.20
  6. Step 6: Final answer
    x = 57,663,520.08

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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.