Home / 180,455,917.56-249,022,722.41-102,137,789.08

Finding the Fourth Proportional to 180,455,917.56, 249,022,722.41 and 102,137,789.08

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Solution

The fourth proportional to 180,455,917.56, 249,022,722.41 and 102,137,789.08 is: 140,946,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,917.56 : 249,022,722.41 = 102,137,789.08 : x
  2. Step 2: Convert to fraction form
    180,455,917.56/249,022,722.41 = 102,137,789.08/x
  3. Step 3: Cross multiply
    180,455,917.56x = 249,022,722.41 × 102,137,789.08
  4. Step 4: Simplify right side
    180,455,917.56x = 25,434,630,298,398,612
  5. Step 5: Solve for x
    x = 25,434,630,298,398,612/180,455,917.56
  6. Step 6: Final answer
    x = 140,946,501.74

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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.