Home / 280,481,550.96-387,066,485.88-156,727,444.08

Finding the Fourth Proportional to 280,481,550.96, 387,066,485.88 and 156,727,444.08

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Solution

The fourth proportional to 280,481,550.96, 387,066,485.88 and 156,727,444.08 is: 216,284,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,481,550.96 : 387,066,485.88 = 156,727,444.08 : x
  2. Step 2: Convert to fraction form
    280,481,550.96/387,066,485.88 = 156,727,444.08/x
  3. Step 3: Cross multiply
    280,481,550.96x = 387,066,485.88 × 156,727,444.08
  4. Step 4: Simplify right side
    280,481,550.96x = 60,663,941,020,999,816
  5. Step 5: Solve for x
    x = 60,663,941,020,999,816/280,481,550.96
  6. Step 6: Final answer
    x = 216,284,959.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.