Home / 149,020,286.80-223,530,430.20-126,345,470.80

Finding the Fourth Proportional to 149,020,286.80, 223,530,430.20 and 126,345,470.80

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Solution

The fourth proportional to 149,020,286.80, 223,530,430.20 and 126,345,470.80 is: 189,518,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020,286.80 : 223,530,430.20 = 126,345,470.80 : x
  2. Step 2: Convert to fraction form
    149,020,286.80/223,530,430.20 = 126,345,470.80/x
  3. Step 3: Cross multiply
    149,020,286.80x = 223,530,430.20 × 126,345,470.80
  4. Step 4: Simplify right side
    149,020,286.80x = 28,242,057,441,745,536
  5. Step 5: Solve for x
    x = 28,242,057,441,745,536/149,020,286.80
  6. Step 6: Final answer
    x = 189,518,206.20

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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.