Home / 109,225,390.10-163,727,860.35-54,553,889.30

Finding the Fourth Proportional to 109,225,390.10, 163,727,860.35 and 54,553,889.30

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Solution

The fourth proportional to 109,225,390.10, 163,727,860.35 and 54,553,889.30 is: 81,775,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225,390.10 : 163,727,860.35 = 54,553,889.30 : x
  2. Step 2: Convert to fraction form
    109,225,390.10/163,727,860.35 = 54,553,889.30/x
  3. Step 3: Cross multiply
    109,225,390.10x = 163,727,860.35 × 54,553,889.30
  4. Step 4: Simplify right side
    109,225,390.10x = 8,931,991,568,859,758
  5. Step 5: Solve for x
    x = 8,931,991,568,859,758/109,225,390.10
  6. Step 6: Final answer
    x = 81,775,780.89

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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.