Home / 154,560,281.20-231,840,421.80-109,210,649.20

Finding the Fourth Proportional to 154,560,281.20, 231,840,421.80 and 109,210,649.20

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Solution

The fourth proportional to 154,560,281.20, 231,840,421.80 and 109,210,649.20 is: 163,815,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560,281.20 : 231,840,421.80 = 109,210,649.20 : x
  2. Step 2: Convert to fraction form
    154,560,281.20/231,840,421.80 = 109,210,649.20/x
  3. Step 3: Cross multiply
    154,560,281.20x = 231,840,421.80 × 109,210,649.20
  4. Step 4: Simplify right side
    154,560,281.20x = 25,319,442,975,579,836
  5. Step 5: Solve for x
    x = 25,319,442,975,579,836/154,560,281.20
  6. Step 6: Final answer
    x = 163,815,973.80

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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.