Home / 206,466,808.40-309,700,212.60-114,633,803.60

Finding the Fourth Proportional to 206,466,808.40, 309,700,212.60 and 114,633,803.60

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Solution

The fourth proportional to 206,466,808.40, 309,700,212.60 and 114,633,803.60 is: 171,950,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,466,808.40 : 309,700,212.60 = 114,633,803.60 : x
  2. Step 2: Convert to fraction form
    206,466,808.40/309,700,212.60 = 114,633,803.60/x
  3. Step 3: Cross multiply
    206,466,808.40x = 309,700,212.60 × 114,633,803.60
  4. Step 4: Simplify right side
    206,466,808.40x = 35,502,113,346,066,648
  5. Step 5: Solve for x
    x = 35,502,113,346,066,648/206,466,808.40
  6. Step 6: Final answer
    x = 171,950,705.40

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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.