Home / 163,443,727.20-225,553,882.56-90,107,493.60

Finding the Fourth Proportional to 163,443,727.20, 225,553,882.56 and 90,107,493.60

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Solution

The fourth proportional to 163,443,727.20, 225,553,882.56 and 90,107,493.60 is: 124,349,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,443,727.20 : 225,553,882.56 = 90,107,493.60 : x
  2. Step 2: Convert to fraction form
    163,443,727.20/225,553,882.56 = 90,107,493.60/x
  3. Step 3: Cross multiply
    163,443,727.20x = 225,553,882.56 × 90,107,493.60
  4. Step 4: Simplify right side
    163,443,727.20x = 20,324,095,029,230,352
  5. Step 5: Solve for x
    x = 20,324,095,029,230,352/163,443,727.20
  6. Step 6: Final answer
    x = 124,349,189.64

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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.