Home / 147,516,830.20-221,275,245.30-139,958,558.20

Finding the Fourth Proportional to 147,516,830.20, 221,275,245.30 and 139,958,558.20

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Solution

The fourth proportional to 147,516,830.20, 221,275,245.30 and 139,958,558.20 is: 209,937,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,516,830.20 : 221,275,245.30 = 139,958,558.20 : x
  2. Step 2: Convert to fraction form
    147,516,830.20/221,275,245.30 = 139,958,558.20/x
  3. Step 3: Cross multiply
    147,516,830.20x = 221,275,245.30 × 139,958,558.20
  4. Step 4: Simplify right side
    147,516,830.20x = 30,969,364,297,539,324
  5. Step 5: Solve for x
    x = 30,969,364,297,539,324/147,516,830.20
  6. Step 6: Final answer
    x = 209,937,837.30

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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.