Home / 215,898,175.85-323,847,263.78-124,065,171.05

Finding the Fourth Proportional to 215,898,175.85, 323,847,263.78 and 124,065,171.05

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Solution

The fourth proportional to 215,898,175.85, 323,847,263.78 and 124,065,171.05 is: 186,097,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,175.85 : 323,847,263.78 = 124,065,171.05 : x
  2. Step 2: Convert to fraction form
    215,898,175.85/323,847,263.78 = 124,065,171.05/x
  3. Step 3: Cross multiply
    215,898,175.85x = 323,847,263.78 × 124,065,171.05
  4. Step 4: Simplify right side
    215,898,175.85x = 40,178,166,174,319,840
  5. Step 5: Solve for x
    x = 40,178,166,174,319,840/215,898,175.85
  6. Step 6: Final answer
    x = 186,097,756.58

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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.