Home / 109,725,822.79-164,625,321.88-72,982,566.84

Finding the Fourth Proportional to 109,725,822.79, 164,625,321.88 and 72,982,566.84

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Solution

The fourth proportional to 109,725,822.79, 164,625,321.88 and 72,982,566.84 is: 109,498,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725,822.79 : 164,625,321.88 = 72,982,566.84 : x
  2. Step 2: Convert to fraction form
    109,725,822.79/164,625,321.88 = 72,982,566.84/x
  3. Step 3: Cross multiply
    109,725,822.79x = 164,625,321.88 × 72,982,566.84
  4. Step 4: Simplify right side
    109,725,822.79x = 12,014,778,558,372,516
  5. Step 5: Solve for x
    x = 12,014,778,558,372,516/109,725,822.79
  6. Step 6: Final answer
    x = 109,498,186.05

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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.