Home / 103,520,966.20-155,149,573.20-55,022,054.20

Finding the Fourth Proportional to 103,520,966.20, 155,149,573.20 and 55,022,054.20

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Solution

The fourth proportional to 103,520,966.20, 155,149,573.20 and 55,022,054.20 is: 82,462,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,966.20 : 155,149,573.20 = 55,022,054.20 : x
  2. Step 2: Convert to fraction form
    103,520,966.20/155,149,573.20 = 55,022,054.20/x
  3. Step 3: Cross multiply
    103,520,966.20x = 155,149,573.20 × 55,022,054.20
  4. Step 4: Simplify right side
    103,520,966.20x = 8,536,648,225,717,267
  5. Step 5: Solve for x
    x = 8,536,648,225,717,267/103,520,966.20
  6. Step 6: Final answer
    x = 82,462,988.31

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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.