Home / 206,695,268.40-310,042,902.60-187,563,392.40

Finding the Fourth Proportional to 206,695,268.40, 310,042,902.60 and 187,563,392.40

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Solution

The fourth proportional to 206,695,268.40, 310,042,902.60 and 187,563,392.40 is: 281,345,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,695,268.40 : 310,042,902.60 = 187,563,392.40 : x
  2. Step 2: Convert to fraction form
    206,695,268.40/310,042,902.60 = 187,563,392.40/x
  3. Step 3: Cross multiply
    206,695,268.40x = 310,042,902.60 × 187,563,392.40
  4. Step 4: Simplify right side
    206,695,268.40x = 58,152,698,601,198,784
  5. Step 5: Solve for x
    x = 58,152,698,601,198,784/206,695,268.40
  6. Step 6: Final answer
    x = 281,345,088.60

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1.5x scale

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.