Home / 157,962,172.48-236,972,919.52-71,706,633.28

Finding the Fourth Proportional to 157,962,172.48, 236,972,919.52 and 71,706,633.28

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Solution

The fourth proportional to 157,962,172.48, 236,972,919.52 and 71,706,633.28 is: 107,573,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,962,172.48 : 236,972,919.52 = 71,706,633.28 : x
  2. Step 2: Convert to fraction form
    157,962,172.48/236,972,919.52 = 71,706,633.28/x
  3. Step 3: Cross multiply
    157,962,172.48x = 236,972,919.52 × 71,706,633.28
  4. Step 4: Simplify right side
    157,962,172.48x = 16,992,530,237,311,594
  5. Step 5: Solve for x
    x = 16,992,530,237,311,594/157,962,172.48
  6. Step 6: Final answer
    x = 107,573,414.38

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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.