Home / 149,020,288.80-223,530,433.20-126,345,472.80

Finding the Fourth Proportional to 149,020,288.80, 223,530,433.20 and 126,345,472.80

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Solution

The fourth proportional to 149,020,288.80, 223,530,433.20 and 126,345,472.80 is: 189,518,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020,288.80 : 223,530,433.20 = 126,345,472.80 : x
  2. Step 2: Convert to fraction form
    149,020,288.80/223,530,433.20 = 126,345,472.80/x
  3. Step 3: Cross multiply
    149,020,288.80x = 223,530,433.20 × 126,345,472.80
  4. Step 4: Simplify right side
    149,020,288.80x = 28,242,058,267,842,816
  5. Step 5: Solve for x
    x = 28,242,058,267,842,816/149,020,288.80
  6. Step 6: Final answer
    x = 189,518,209.20

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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.