Home / 206,784,014.40-310,176,021.60-186,628,622.40

Finding the Fourth Proportional to 206,784,014.40, 310,176,021.60 and 186,628,622.40

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Solution

The fourth proportional to 206,784,014.40, 310,176,021.60 and 186,628,622.40 is: 279,942,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,784,014.40 : 310,176,021.60 = 186,628,622.40 : x
  2. Step 2: Convert to fraction form
    206,784,014.40/310,176,021.60 = 186,628,622.40/x
  3. Step 3: Cross multiply
    206,784,014.40x = 310,176,021.60 × 186,628,622.40
  4. Step 4: Simplify right side
    206,784,014.40x = 57,887,723,612,720,648
  5. Step 5: Solve for x
    x = 57,887,723,612,720,648/206,784,014.40
  6. Step 6: Final answer
    x = 279,942,933.60

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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.