Home / 156,129,151.78-215,387,573.61-94,229,703.46

Finding the Fourth Proportional to 156,129,151.78, 215,387,573.61 and 94,229,703.46

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Solution

The fourth proportional to 156,129,151.78, 215,387,573.61 and 94,229,703.46 is: 129,994,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129,151.78 : 215,387,573.61 = 94,229,703.46 : x
  2. Step 2: Convert to fraction form
    156,129,151.78/215,387,573.61 = 94,229,703.46/x
  3. Step 3: Cross multiply
    156,129,151.78x = 215,387,573.61 × 94,229,703.46
  4. Step 4: Simplify right side
    156,129,151.78x = 20,295,907,190,239,220
  5. Step 5: Solve for x
    x = 20,295,907,190,239,220/156,129,151.78
  6. Step 6: Final answer
    x = 129,994,347.36

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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.