Home / 150,623,645.85-225,832,323.51-76,704,339.24

Finding the Fourth Proportional to 150,623,645.85, 225,832,323.51 and 76,704,339.24

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Solution

The fourth proportional to 150,623,645.85, 225,832,323.51 and 76,704,339.24 is: 115,003,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,623,645.85 : 225,832,323.51 = 76,704,339.24 : x
  2. Step 2: Convert to fraction form
    150,623,645.85/225,832,323.51 = 76,704,339.24/x
  3. Step 3: Cross multiply
    150,623,645.85x = 225,832,323.51 × 76,704,339.24
  4. Step 4: Simplify right side
    150,623,645.85x = 17,322,319,153,868,466
  5. Step 5: Solve for x
    x = 17,322,319,153,868,466/150,623,645.85
  6. Step 6: Final answer
    x = 115,003,982.65

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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.